564337897 has 2 divisors, whose sum is σ = 564337898. Its totient is φ = 564337896.

The previous prime is 564337877. The next prime is 564337973. The reversal of 564337897 is 798733465.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482417296 + 81920601 = 21964^2 + 9051^2 .

It is a cyclic number.

It is not a de Polignac number, because 564337897 - 2⁷ = 564337769 is a prime.

It is not a weakly prime, because it can be changed into another prime (564337877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282168948 + 282168949.

It is an arithmetic number, because the mean of its divisors is an integer number (282168949).

Almost surely, 2^564337897 is an apocalyptic number.

It is an amenable number.

564337897 is a deficient number, since it is larger than the sum of its proper divisors (1).

564337897 is an equidigital number, since it uses as much as digits as its factorization.

564337897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 52.

The square root of 564337897 is about 23755.7971240706. The cubic root of 564337897 is about 826.3798869933.

The spelling of 564337897 in words is "five hundred sixty-four million, three hundred thirty-seven thousand, eight hundred ninety-seven".