252102056 has 8 divisors (see below), whose sum is σ = 472691370. Its totient is φ = 126051024.

The previous prime is 252102047. The next prime is 252102073. The reversal of 252102056 is 650201252.

It can be written as a sum of positive squares in only one way, i.e., 251729956 + 372100 = 15866^2 + 610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 15756371 + ... + 15756386.

Almost surely, 2^252102056 is an apocalyptic number.

It is an amenable number.

252102056 is a deficient number, since it is larger than the sum of its proper divisors (220589314).

252102056 is a wasteful number, since it uses less digits than its factorization.

252102056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31512763 (or 31512759 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 252102056 is about 15877.7220028567. The cubic root of 252102056 is about 631.7212157701.

The spelling of 252102056 in words is "two hundred fifty-two million, one hundred two thousand, fifty-six".