564734431 has 2 divisors, whose sum is σ = 564734432. Its totient is φ = 564734430.

The previous prime is 564734419. The next prime is 564734447. The reversal of 564734431 is 134437465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564734431 - 2²¹ = 562637279 is a prime.

It is a super-2 number, since 2×564734431² = 637849955113787522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564734231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282367215 + 282367216.

It is an arithmetic number, because the mean of its divisors is an integer number (282367216).

Almost surely, 2^564734431 is an apocalyptic number.

564734431 is a deficient number, since it is larger than the sum of its proper divisors (1).

564734431 is an equidigital number, since it uses as much as digits as its factorization.

564734431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 37.

The square root of 564734431 is about 23764.1417055193. The cubic root of 564734431 is about 826.5733945848.

The spelling of 564734431 in words is "five hundred sixty-four million, seven hundred thirty-four thousand, four hundred thirty-one".