252640250 has 32 divisors (see below), whose sum is σ = 480033216. Its totient is φ = 99541200.

The previous prime is 252640249. The next prime is 252640253. The reversal of 252640250 is 52046252.

It is not an unprimeable number, because it can be changed into a prime (252640253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9209 + ... + 24291.

It is an arithmetic number, because the mean of its divisors is an integer number (15001038).

Almost surely, 2^252640250 is an apocalyptic number.

252640250 is a deficient number, since it is larger than the sum of its proper divisors (227392966).

252640250 is a wasteful number, since it uses less digits than its factorization.

252640250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15167 (or 15157 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 252640250 is about 15894.6610533223. The cubic root of 252640250 is about 632.1704345259.

The spelling of 252640250 in words is "two hundred fifty-two million, six hundred forty thousand, two hundred fifty".