564967231 has 2 divisors, whose sum is σ = 564967232. Its totient is φ = 564967230.

The previous prime is 564967217. The next prime is 564967243. The reversal of 564967231 is 132769465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564967231 - 2¹¹ = 564965183 is a prime.

It is a super-2 number, since 2×564967231² = 638375944207614722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564967211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282483615 + 282483616.

It is an arithmetic number, because the mean of its divisors is an integer number (282483616).

Almost surely, 2^564967231 is an apocalyptic number.

564967231 is a deficient number, since it is larger than the sum of its proper divisors (1).

564967231 is an equidigital number, since it uses as much as digits as its factorization.

564967231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 564967231 is about 23769.0393369189. The cubic root of 564967231 is about 826.6869582002.

The spelling of 564967231 in words is "five hundred sixty-four million, nine hundred sixty-seven thousand, two hundred thirty-one".