Number 619 is a prime number.

A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. Therefore we consider 619 as a prime number, because:

- 619 is a natural number greater than 1,
- 619 is not a product of 2 smaller natural numbers (it can be divided only by 1 and itself)

Number of factors: 2.

List of factors/divisors: 1, 619.

Parity: 619 is an odd number.

Perfect square: no (a square number or perfect square is an integer that is the square of an integer).

Perfect number: no, because the sum of its proper divisors is 1 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 612 no | 613 yes | 614 no | 615 no | 616 no | 617 yes | 618 no | 619 yes | 620 no | 621 no | 622 no | 623 no | 624 no | 625 no | 626 no |
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