564897265 has 16 divisors (see below), whose sum is σ = 714251520. Its totient is φ = 427714560.

The previous prime is 564897259. The next prime is 564897323. The reversal of 564897265 is 562798465.

It is not a de Polignac number, because 564897265 - 2³ = 564897257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123825 + ... + 128305.

It is an arithmetic number, because the mean of its divisors is an integer number (44640720).

Almost surely, 2^564897265 is an apocalyptic number.

It is an amenable number.

564897265 is a deficient number, since it is larger than the sum of its proper divisors (149354255).

564897265 is a wasteful number, since it uses less digits than its factorization.

564897265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832.

The product of its digits is 3628800, while the sum is 52.

The square root of 564897265 is about 23767.5675027967. The cubic root of 564897265 is about 826.6528309303.

The spelling of 564897265 in words is "five hundred sixty-four million, eight hundred ninety-seven thousand, two hundred sixty-five".