252943850 has 24 divisors (see below), whose sum is σ = 498152268. Its totient is φ = 95225600.

The previous prime is 252943843. The next prime is 252943853. The reversal of 252943850 is 58349252.

It can be written as a sum of positive squares in 6 ways, for example, as 191462569 + 61481281 = 13837^2 + 7841^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (252943853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147941 + ... + 149640.

Almost surely, 2^252943850 is an apocalyptic number.

252943850 is a deficient number, since it is larger than the sum of its proper divisors (245208418).

252943850 is a wasteful number, since it uses less digits than its factorization.

252943850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297610 (or 297605 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 252943850 is about 15904.2085625158. The cubic root of 252943850 is about 632.4235614064.

The spelling of 252943850 in words is "two hundred fifty-two million, nine hundred forty-three thousand, eight hundred fifty".