252631282 has 4 divisors (see below), whose sum is σ = 378946926. Its totient is φ = 126315640.

The previous prime is 252631279. The next prime is 252631297. The reversal of 252631282 is 282136252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 152250921 + 100380361 = 12339^2 + 10019^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63157819 + ... + 63157822.

Almost surely, 2^252631282 is an apocalyptic number.

252631282 is a deficient number, since it is larger than the sum of its proper divisors (126315644).

252631282 is a wasteful number, since it uses less digits than its factorization.

252631282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126315643.

The product of its digits is 11520, while the sum is 31.

The square root of 252631282 is about 15894.3789435133. The cubic root of 252631282 is about 632.1629543618.

The spelling of 252631282 in words is "two hundred fifty-two million, six hundred thirty-one thousand, two hundred eighty-two".