252533450 has 48 divisors (see below), whose sum is σ = 523325880. Its totient is φ = 90021120.

The previous prime is 252533447. The next prime is 252533461. The reversal of 252533450 is 54335252.

It can be written as a sum of positive squares in 12 ways, for example, as 13490929 + 239042521 = 3673^2 + 15461^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12152 + ... + 25548.

Almost surely, 2^252533450 is an apocalyptic number.

252533450 is an abundant number, since it is smaller than the sum of its proper divisors (270792430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252533450 is a wasteful number, since it uses less digits than its factorization.

252533450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13451 (or 13446 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 252533450 is about 15891.3010795215. The cubic root of 252533450 is about 632.0813416775.

The spelling of 252533450 in words is "two hundred fifty-two million, five hundred thirty-three thousand, four hundred fifty".