564257715 has 16 divisors (see below), whose sum is σ = 1031785728. Its totient is φ = 257946336.

The previous prime is 564257713. The next prime is 564257777. The reversal of 564257715 is 517752465.

It is a happy number.

564257715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 564257715 - 2¹ = 564257713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564257713) 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, 2686837 + ... + 2687046.

It is an arithmetic number, because the mean of its divisors is an integer number (64486608).

Almost surely, 2^564257715 is an apocalyptic number.

564257715 is a deficient number, since it is larger than the sum of its proper divisors (467528013).

564257715 is a wasteful number, since it uses less digits than its factorization.

564257715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373898.

The product of its digits is 294000, while the sum is 42.

The square root of 564257715 is about 23754.1094339485. The cubic root of 564257715 is about 826.3407473627.

The spelling of 564257715 in words is "five hundred sixty-four million, two hundred fifty-seven thousand, seven hundred fifteen".