557625265 has 4 divisors (see below), whose sum is σ = 669150324. Its totient is φ = 446100208.

The previous prime is 557625259. The next prime is 557625307. The reversal of 557625265 is 562526755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 403045776 + 154579489 = 20076^2 + 12433^2 .

It is a cyclic number.

It is not a de Polignac number, because 557625265 - 2¹⁷ = 557494193 is a prime.

It is a Duffinian number.

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, 55762522 + ... + 55762531.

It is an arithmetic number, because the mean of its divisors is an integer number (167287581).

Almost surely, 2^557625265 is an apocalyptic number.

It is an amenable number.

557625265 is a deficient number, since it is larger than the sum of its proper divisors (111525059).

557625265 is a wasteful number, since it uses less digits than its factorization.

557625265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111525058.

The product of its digits is 630000, while the sum is 43.

The square root of 557625265 is about 23614.0903911203. The cubic root of 557625265 is about 823.0902948046.

The spelling of 557625265 in words is "five hundred fifty-seven million, six hundred twenty-five thousand, two hundred sixty-five".