565005739 has 2 divisors, whose sum is σ = 565005740. Its totient is φ = 565005738.

The previous prime is 565005733. The next prime is 565005781. The reversal of 565005739 is 937500565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 565005739 - 2¹⁵ = 564972971 is a prime.

It is a super-2 number, since 2×565005739² = 638462970205872242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (565005733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282502869 + 282502870.

It is an arithmetic number, because the mean of its divisors is an integer number (282502870).

Almost surely, 2^565005739 is an apocalyptic number.

565005739 is a deficient number, since it is larger than the sum of its proper divisors (1).

565005739 is an equidigital number, since it uses as much as digits as its factorization.

565005739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141750, while the sum is 40.

The square root of 565005739 is about 23769.8493684752. The cubic root of 565005739 is about 826.7057400200.

The spelling of 565005739 in words is "five hundred sixty-five million, five thousand, seven hundred thirty-nine".