252177964 has 6 divisors (see below), whose sum is σ = 441311444. Its totient is φ = 126088980.

The previous prime is 252177923. The next prime is 252177971. The reversal of 252177964 is 469771252.

It is a self number, because there is not a number n which added to its sum of digits gives 252177964.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31522242 + ... + 31522249.

Almost surely, 2^252177964 is an apocalyptic number.

It is an amenable number.

252177964 is a deficient number, since it is larger than the sum of its proper divisors (189133480).

252177964 is a wasteful number, since it uses less digits than its factorization.

252177964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63044495 (or 63044493 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 252177964 is about 15880.1122162282. The cubic root of 252177964 is about 631.7846132195.

The spelling of 252177964 in words is "two hundred fifty-two million, one hundred seventy-seven thousand, nine hundred sixty-four".