564508 has 12 divisors (see below), whose sum is σ = 1129072. Its totient is φ = 241920.

The previous prime is 564497. The next prime is 564523. The reversal of 564508 is 805465.

564508 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 20161 = 564508 / (5 + 6 + 4 + 5 + 0 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10053 + ... + 10108.

2⁵⁶⁴⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

564508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

564508 is a wasteful number, since it uses less digits than its factorization.

564508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20172 (or 20170 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 564508 is about 751.3374741087. The cubic root of 564508 is about 82.6462907927.

The spelling of 564508 in words is "five hundred sixty-four thousand, five hundred eight".