252686252 has 24 divisors (see below), whose sum is σ = 544248096. Its totient is φ = 99963648.

The previous prime is 252686237. The next prime is 252686311.

252686252 is nontrivially palindromic in base 10.

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, 346733 + ... + 347460.

It is an arithmetic number, because the mean of its divisors is an integer number (22677004).

Almost surely, 2^252686252 is an apocalyptic number.

It is an amenable number.

252686252 is an abundant number, since it is smaller than the sum of its proper divisors (291561844).

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

252686252 is a wasteful number, since it uses less digits than its factorization.

252686252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694217 (or 694215 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 252686252 is about 15896.1080771364. The cubic root of 252686252 is about 632.2088017818.

The spelling of 252686252 in words is "two hundred fifty-two million, six hundred eighty-six thousand, two hundred fifty-two".