564316931 has 2 divisors, whose sum is σ = 564316932. Its totient is φ = 564316930.

The previous prime is 564316889. The next prime is 564316939. The reversal of 564316931 is 139613465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564316931 - 2⁶ = 564316867 is a prime.

It is a super-2 number, since 2×564316931² = 636907197226517522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (564316939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282158465 + 282158466.

It is an arithmetic number, because the mean of its divisors is an integer number (282158466).

Almost surely, 2^564316931 is an apocalyptic number.

564316931 is a deficient number, since it is larger than the sum of its proper divisors (1).

564316931 is an equidigital number, since it uses as much as digits as its factorization.

564316931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 564316931 is about 23755.3558382105. The cubic root of 564316931 is about 826.3696531155.

The spelling of 564316931 in words is "five hundred sixty-four million, three hundred sixteen thousand, nine hundred thirty-one".