556257825 has 36 divisors (see below), whose sum is σ = 1000800528. Its totient is φ = 295336800.

The previous prime is 556257817. The next prime is 556257857. The reversal of 556257825 is 528752655.

556257825 is a `hidden beast` number, since 5 + 56 + 2 + 578 + 25 = 666.

It is not a de Polignac number, because 556257825 - 2³ = 556257817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 45630 + ... + 56520.

Almost surely, 2^556257825 is an apocalyptic number.

It is an amenable number.

556257825 is a deficient number, since it is larger than the sum of its proper divisors (444542703).

556257825 is a wasteful number, since it uses less digits than its factorization.

556257825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134 (or 11126 counting only the distinct ones).

The product of its digits is 840000, while the sum is 45.

The square root of 556257825 is about 23585.1187192263. The cubic root of 556257825 is about 822.4169346675.

The spelling of 556257825 in words is "five hundred fifty-six million, two hundred fifty-seven thousand, eight hundred twenty-five".