564512663 has 16 divisors (see below), whose sum is σ = 681134496. Its totient is φ = 460909440.

The previous prime is 564512657. The next prime is 564512687. The reversal of 564512663 is 366215465.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 564512663 - 2⁴ = 564512647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564512603) 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, 48056 + ... + 58637.

It is an arithmetic number, because the mean of its divisors is an integer number (42570906).

Almost surely, 2^564512663 is an apocalyptic number.

564512663 is a deficient number, since it is larger than the sum of its proper divisors (116621833).

564512663 is a wasteful number, since it uses less digits than its factorization.

564512663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106754.

The product of its digits is 129600, while the sum is 38.

The square root of 564512663 is about 23759.4752256863. The cubic root of 564512663 is about 826.4651835282.

The spelling of 564512663 in words is "five hundred sixty-four million, five hundred twelve thousand, six hundred sixty-three".