564625426 has 8 divisors (see below), whose sum is σ = 847651644. Its totient is φ = 282074880.

The previous prime is 564625409. The next prime is 564625433. The reversal of 564625426 is 624526465.

It can be written as a sum of positive squares in 2 ways, for example, as 533656201 + 30969225 = 23101^2 + 5565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115935 + ... + 120706.

Almost surely, 2^564625426 is an apocalyptic number.

564625426 is a deficient number, since it is larger than the sum of its proper divisors (283026218).

564625426 is a wasteful number, since it uses less digits than its factorization.

564625426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237836.

The product of its digits is 345600, while the sum is 40.

The square root of 564625426 is about 23761.8481183598. The cubic root of 564625426 is about 826.5202094500.

The spelling of 564625426 in words is "five hundred sixty-four million, six hundred twenty-five thousand, four hundred twenty-six".