557396325 has 18 divisors (see below), whose sum is σ = 998359154. Its totient is φ = 297277920.

The previous prime is 557396311. The next prime is 557396341. The reversal of 557396325 is 523693755.

It is a happy number.

557396325 is a `hidden beast` number, since 5 + 5 + 7 + 3 + 9 + 632 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 7306209 + 550090116 = 2703^2 + 23454^2 .

It is not a de Polignac number, because 557396325 - 2¹⁰ = 557395301 is a prime.

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

It is a Duffinian number.

It is a congruent 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 17 ways as a sum of consecutive naturals, for example, 1238434 + ... + 1238883.

Almost surely, 2^557396325 is an apocalyptic number.

It is an amenable number.

557396325 is a deficient number, since it is larger than the sum of its proper divisors (440962829).

557396325 is a wasteful number, since it uses less digits than its factorization.

557396325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477333 (or 2477325 counting only the distinct ones).

The product of its digits is 850500, while the sum is 45.

The square root of 557396325 is about 23609.2423639557. The cubic root of 557396325 is about 822.9776360602.

The spelling of 557396325 in words is "five hundred fifty-seven million, three hundred ninety-six thousand, three hundred twenty-five".