556741825 has 6 divisors (see below), whose sum is σ = 690359894. Its totient is φ = 445393440.

The previous prime is 556741813. The next prime is 556741831. The reversal of 556741825 is 528147655.

It can be written as a sum of positive squares in 3 ways, for example, as 3504384 + 553237441 = 1872^2 + 23521^2 .

It is not a de Polignac number, because 556741825 - 2⁷ = 556741697 is a prime.

It is a super-2 number, since 2×556741825² = 619922919408661250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11134812 + ... + 11134861.

Almost surely, 2^556741825 is an apocalyptic number.

It is an amenable number.

556741825 is a deficient number, since it is larger than the sum of its proper divisors (133618069).

556741825 is a wasteful number, since it uses less digits than its factorization.

556741825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22269683 (or 22269678 counting only the distinct ones).

The product of its digits is 336000, while the sum is 43.

The square root of 556741825 is about 23595.3771955440. The cubic root of 556741825 is about 822.6553938774.

The spelling of 556741825 in words is "five hundred fifty-six million, seven hundred forty-one thousand, eight hundred twenty-five".