252005450 has 24 divisors (see below), whose sum is σ = 496304172. Its totient is φ = 94872320.

The previous prime is 252005449. The next prime is 252005473. The reversal of 252005450 is 54500252.

It can be written as a sum of positive squares in 6 ways, for example, as 117050761 + 134954689 = 10819^2 + 11617^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147389 + ... + 149088.

Almost surely, 2^252005450 is an apocalyptic number.

252005450 is a deficient number, since it is larger than the sum of its proper divisors (244298722).

252005450 is a wasteful number, since it uses less digits than its factorization.

252005450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296506 (or 296501 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 252005450 is about 15874.6795243243. The cubic root of 252005450 is about 631.6405131931.

The spelling of 252005450 in words is "two hundred fifty-two million, five thousand, four hundred fifty".