564756361 has 16 divisors (see below), whose sum is σ = 650722240. Its totient is φ = 485766720.

The previous prime is 564756349. The next prime is 564756383. The reversal of 564756361 is 163657465.

It is a cyclic number.

It is not a de Polignac number, because 564756361 - 2²³ = 556367753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564756331) 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, 3675 + ... + 33808.

It is an arithmetic number, because the mean of its divisors is an integer number (40670140).

Almost surely, 2^564756361 is an apocalyptic number.

564756361 is the 13721-st hex number.

It is an amenable number.

564756361 is a deficient number, since it is larger than the sum of its proper divisors (85965879).

564756361 is a wasteful number, since it uses less digits than its factorization.

564756361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37576.

The product of its digits is 453600, while the sum is 43.

The square root of 564756361 is about 23764.6031105087. The cubic root of 564756361 is about 826.5840937258.

The spelling of 564756361 in words is "five hundred sixty-four million, seven hundred fifty-six thousand, three hundred sixty-one".