564614561 has 16 divisors (see below), whose sum is σ = 672625536. Its totient is φ = 463833216.

The previous prime is 564614551. The next prime is 564614569. The reversal of 564614561 is 165416465.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-564614561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564614569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1085 + ... + 33621.

It is an arithmetic number, because the mean of its divisors is an integer number (42039096).

Almost surely, 2^564614561 is an apocalyptic number.

It is an amenable number.

564614561 is a deficient number, since it is larger than the sum of its proper divisors (108010975).

564614561 is a wasteful number, since it uses less digits than its factorization.

564614561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32648.

The product of its digits is 86400, while the sum is 38.

The square root of 564614561 is about 23761.6194944705. The cubic root of 564614561 is about 826.5149078824.

The spelling of 564614561 in words is "five hundred sixty-four million, six hundred fourteen thousand, five hundred sixty-one".