252825556 has 6 divisors (see below), whose sum is σ = 442444730. Its totient is φ = 126412776.

The previous prime is 252825539. The next prime is 252825583. The reversal of 252825556 is 655528252.

It can be written as a sum of positive squares in only one way, i.e., 251539600 + 1285956 = 15860^2 + 1134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31603191 + ... + 31603198.

Almost surely, 2^252825556 is an apocalyptic number.

It is an amenable number.

252825556 is a deficient number, since it is larger than the sum of its proper divisors (189619174).

252825556 is a wasteful number, since it uses less digits than its factorization.

252825556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63206393 (or 63206391 counting only the distinct ones).

The product of its digits is 240000, while the sum is 40.

The square root of 252825556 is about 15900.4891748650. The cubic root of 252825556 is about 632.3249577331.

The spelling of 252825556 in words is "two hundred fifty-two million, eight hundred twenty-five thousand, five hundred fifty-six".