252765250 has 32 divisors (see below), whose sum is σ = 474844032. Its totient is φ = 100750000.

The previous prime is 252765221. The next prime is 252765259. The reversal of 252765250 is 52567252.

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 (252765259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76125 + ... + 79375.

It is an arithmetic number, because the mean of its divisors is an integer number (14838876).

Almost surely, 2^252765250 is an apocalyptic number.

252765250 is a deficient number, since it is larger than the sum of its proper divisors (222078782).

252765250 is a wasteful number, since it uses less digits than its factorization.

252765250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579 (or 3569 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 252765250 is about 15898.5927050164. The cubic root of 252765250 is about 632.2746779779.

The spelling of 252765250 in words is "two hundred fifty-two million, seven hundred sixty-five thousand, two hundred fifty".