564313520 has 40 divisors (see below), whose sum is σ = 1313517120. Its totient is φ = 225469440.

The previous prime is 564313517. The next prime is 564313559. The reversal of 564313520 is 25313465.

It is a tau number, because it is divible by the number of its divisors (40).

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, 77225 + ... + 84215.

It is an arithmetic number, because the mean of its divisors is an integer number (32837928).

Almost surely, 2^564313520 is an apocalyptic number.

It is an amenable number.

564313520 is an abundant number, since it is smaller than the sum of its proper divisors (749203600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564313520 is a wasteful number, since it uses less digits than its factorization.

564313520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8013 (or 8007 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 564313520 is about 23755.2840437659. The cubic root of 564313520 is about 826.3679881217.

Adding to 564313520 its reverse (25313465), we get a palindrome (589626985).

The spelling of 564313520 in words is "five hundred sixty-four million, three hundred thirteen thousand, five hundred twenty".