564726625 has 8 divisors (see below), whose sum is σ = 704778984. Its totient is φ = 451781200.

The previous prime is 564726601. The next prime is 564726677. The reversal of 564726625 is 526627465.

It can be written as a sum of positive squares in 4 ways, for example, as 94400656 + 470325969 = 9716^2 + 21687^2 .

It is a de Polignac number, because none of the positive numbers 2^k-564726625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2258782 + ... + 2259031.

It is an arithmetic number, because the mean of its divisors is an integer number (88097373).

Almost surely, 2^564726625 is an apocalyptic number.

It is an amenable number.

564726625 is a deficient number, since it is larger than the sum of its proper divisors (140052359).

564726625 is an equidigital number, since it uses as much as digits as its factorization.

564726625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517828 (or 4517818 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The square root of 564726625 is about 23763.9774659041. The cubic root of 564726625 is about 826.5695861507.

The spelling of 564726625 in words is "five hundred sixty-four million, seven hundred twenty-six thousand, six hundred twenty-five".