252445252 has 6 divisors (see below), whose sum is σ = 441779198. Its totient is φ = 126222624.

The previous prime is 252445243. The next prime is 252445283. The reversal of 252445252 is 252544252.

It can be written as a sum of positive squares in only one way, i.e., 222129216 + 30316036 = 14904^2 + 5506^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31555653 + ... + 31555660.

Almost surely, 2^252445252 is an apocalyptic number.

It is an amenable number.

252445252 is a deficient number, since it is larger than the sum of its proper divisors (189333946).

252445252 is a wasteful number, since it uses less digits than its factorization.

252445252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63111317 (or 63111315 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 252445252 is about 15888.5257969391. The cubic root of 252445252 is about 632.0077477286.

The spelling of 252445252 in words is "two hundred fifty-two million, four hundred forty-five thousand, two hundred fifty-two".