252036250 has 20 divisors (see below), whose sum is σ = 472419090. Its totient is φ = 100814000.

The previous prime is 252036229. The next prime is 252036251. The reversal of 252036250 is 52630252.

It can be written as a sum of positive squares in 5 ways, for example, as 1985281 + 250050969 = 1409^2 + 15813^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (252036251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 99565 + ... + 102064.

Almost surely, 2^252036250 is an apocalyptic number.

252036250 is a deficient number, since it is larger than the sum of its proper divisors (220382840).

252036250 is an equidigital number, since it uses as much as digits as its factorization.

252036250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201651 (or 201636 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 252036250 is about 15875.6495930088. The cubic root of 252036250 is about 631.6662450907. Note that the first 3 decimals are identical.

The spelling of 252036250 in words is "two hundred fifty-two million, thirty-six thousand, two hundred fifty".