564459473 has 2 divisors, whose sum is σ = 564459474. Its totient is φ = 564459472.

The previous prime is 564459461. The next prime is 564459527. The reversal of 564459473 is 374954465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314281984 + 250177489 = 17728^2 + 15817^2 .

It is a cyclic number.

It is not a de Polignac number, because 564459473 - 2¹⁶ = 564393937 is a prime.

It is a super-2 number, since 2×564459473² = 637228993318875458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (564459403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282229736 + 282229737.

It is an arithmetic number, because the mean of its divisors is an integer number (282229737).

Almost surely, 2^564459473 is an apocalyptic number.

It is an amenable number.

564459473 is a deficient number, since it is larger than the sum of its proper divisors (1).

564459473 is an equidigital number, since it uses as much as digits as its factorization.

564459473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 47.

The square root of 564459473 is about 23758.3558564140. The cubic root of 564459473 is about 826.4392254074.

The spelling of 564459473 in words is "five hundred sixty-four million, four hundred fifty-nine thousand, four hundred seventy-three".