564506365 has 16 divisors (see below), whose sum is σ = 723305088. Its totient is φ = 421920576.

The previous prime is 564506357. The next prime is 564506389. The reversal of 564506365 is 563605465.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 564506365 - 2³ = 564506357 is a prime.

It is a super-2 number, since 2×564506365² = 637334872251026450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52134 + ... + 62023.

It is an arithmetic number, because the mean of its divisors is an integer number (45206568).

Almost surely, 2^564506365 is an apocalyptic number.

It is an amenable number.

564506365 is a deficient number, since it is larger than the sum of its proper divisors (158798723).

564506365 is a wasteful number, since it uses less digits than its factorization.

564506365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114228.

The product of its (nonzero) digits is 324000, while the sum is 40.

The square root of 564506365 is about 23759.3426887193. The cubic root of 564506365 is about 826.4621100235.

The spelling of 564506365 in words is "five hundred sixty-four million, five hundred six thousand, three hundred sixty-five".