564668425 has 36 divisors (see below), whose sum is σ = 734859216. Its totient is φ = 430360000.

The previous prime is 564668411. The next prime is 564668431. The reversal of 564668425 is 524866465.

It is not a de Polignac number, because 564668425 - 2²⁵ = 531113993 is a prime.

It is a super-4 number, since 4×564668425⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2249550 + ... + 2249800.

It is an arithmetic number, because the mean of its divisors is an integer number (20412756).

Almost surely, 2^564668425 is an apocalyptic number.

It is an amenable number.

564668425 is a deficient number, since it is larger than the sum of its proper divisors (170190791).

564668425 is a wasteful number, since it uses less digits than its factorization.

564668425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 392 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The square root of 564668425 is about 23762.7528918684. The cubic root of 564668425 is about 826.5411901089.

The spelling of 564668425 in words is "five hundred sixty-four million, six hundred sixty-eight thousand, four hundred twenty-five".