564459257 has 2 divisors, whose sum is σ = 564459258. Its totient is φ = 564459256.

The previous prime is 564459251. The next prime is 564459263. The reversal of 564459257 is 752954465.

It is a balanced prime because it is at equal distance from previous prime (564459251) and next prime (564459263).

It can be written as a sum of positive squares in only one way, i.e., 298736656 + 265722601 = 17284^2 + 16301^2 .

It is a cyclic number.

It is not a de Polignac number, because 564459257 - 2⁴ = 564459241 is a prime.

It is a super-2 number, since 2×564459257² = 637228505625984098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (564459251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282229628 + 282229629.

It is an arithmetic number, because the mean of its divisors is an integer number (282229629).

Almost surely, 2^564459257 is an apocalyptic number.

It is an amenable number.

564459257 is a deficient number, since it is larger than the sum of its proper divisors (1).

564459257 is an equidigital number, since it uses as much as digits as its factorization.

564459257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 47.

The square root of 564459257 is about 23758.3513106444. The cubic root of 564459257 is about 826.4391199903.

The spelling of 564459257 in words is "five hundred sixty-four million, four hundred fifty-nine thousand, two hundred fifty-seven".