564312249 has 12 divisors (see below), whose sum is σ = 815326512. Its totient is φ = 376111800.

The previous prime is 564312211. The next prime is 564312289. The reversal of 564312249 is 942213465.

It is a happy number.

564312249 is a `hidden beast` number, since 5 + 643 + 1 + 2 + 2 + 4 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-564312249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564312209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55534 + ... + 64904.

It is an arithmetic number, because the mean of its divisors is an integer number (67943876).

Almost surely, 2^564312249 is an apocalyptic number.

It is an amenable number.

564312249 is a deficient number, since it is larger than the sum of its proper divisors (251014263).

564312249 is a wasteful number, since it uses less digits than its factorization.

564312249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16068 (or 16065 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 564312249 is about 23755.2572918081. The cubic root of 564312249 is about 826.3673677133.

The spelling of 564312249 in words is "five hundred sixty-four million, three hundred twelve thousand, two hundred forty-nine".