565025317 has 2 divisors, whose sum is σ = 565025318. Its totient is φ = 565025316.

The previous prime is 565025309. The next prime is 565025323. The reversal of 565025317 is 713520565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416404836 + 148620481 = 20406^2 + 12191^2 .

It is a cyclic number.

It is not a de Polignac number, because 565025317 - 2³ = 565025309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565025017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282512658 + 282512659.

It is an arithmetic number, because the mean of its divisors is an integer number (282512659).

Almost surely, 2^565025317 is an apocalyptic number.

It is an amenable number.

565025317 is a deficient number, since it is larger than the sum of its proper divisors (1).

565025317 is an equidigital number, since it uses as much as digits as its factorization.

565025317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 565025317 is about 23770.2611891414. The cubic root of 565025317 is about 826.7152886298.

The spelling of 565025317 in words is "five hundred sixty-five million, twenty-five thousand, three hundred seventeen".