252685252 has 6 divisors (see below), whose sum is σ = 442199198. Its totient is φ = 126342624.

The previous prime is 252685211. The next prime is 252685261. The reversal of 252685252 is 252586252.

It can be written as a sum of positive squares in only one way, i.e., 166306816 + 86378436 = 12896^2 + 9294^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31585653 + ... + 31585660.

Almost surely, 2^252685252 is an apocalyptic number.

It is an amenable number.

252685252 is a deficient number, since it is larger than the sum of its proper divisors (189513946).

252685252 is a wasteful number, since it uses less digits than its factorization.

252685252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63171317 (or 63171315 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The square root of 252685252 is about 15896.0766228652. The cubic root of 252685252 is about 632.2079677968.

It can be divided in two parts, 2526 and 85252, that added together give a palindrome (87778).

The spelling of 252685252 in words is "two hundred fifty-two million, six hundred eighty-five thousand, two hundred fifty-two".