557208725 has 48 divisors (see below), whose sum is σ = 761856000. Its totient is φ = 402667200.

The previous prime is 557208721. The next prime is 557208727. The reversal of 557208725 is 527802755.

It is not a de Polignac number, because 557208725 - 2² = 557208721 is a prime.

It is a super-2 number, since 2×557208725² = 620963126432251250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557208721) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1163036 + ... + 1163514.

It is an arithmetic number, because the mean of its divisors is an integer number (15872000).

Almost surely, 2^557208725 is an apocalyptic number.

It is an amenable number.

557208725 is a deficient number, since it is larger than the sum of its proper divisors (204647275).

557208725 is a wasteful number, since it uses less digits than its factorization.

557208725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 557208725 is about 23605.2690092699. The cubic root of 557208725 is about 822.8852972571.

The spelling of 557208725 in words is "five hundred fifty-seven million, two hundred eight thousand, seven hundred twenty-five".