252671628 has 24 divisors (see below), whose sum is σ = 643164480. Its totient is φ = 76567120.

The previous prime is 252671603. The next prime is 252671677. The reversal of 252671628 is 826176252.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956958 + ... + 957221.

It is an arithmetic number, because the mean of its divisors is an integer number (26798520).

Almost surely, 2^252671628 is an apocalyptic number.

It is an amenable number.

252671628 is an abundant number, since it is smaller than the sum of its proper divisors (390492852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252671628 is a wasteful number, since it uses less digits than its factorization.

252671628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914197 (or 1914195 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 252671628 is about 15895.6480836737. The cubic root of 252671628 is about 632.1966053659.

The spelling of 252671628 in words is "two hundred fifty-two million, six hundred seventy-one thousand, six hundred twenty-eight".