252652530 has 64 divisors (see below), whose sum is σ = 658280448. Its totient is φ = 61689600.

The previous prime is 252652529. The next prime is 252652541. The reversal of 252652530 is 35256252.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 46980 + ... + 52080.

It is an arithmetic number, because the mean of its divisors is an integer number (10285632).

Almost surely, 2^252652530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252652530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329140224).

252652530 is an abundant number, since it is smaller than the sum of its proper divisors (405627918).

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

252652530 is a wasteful number, since it uses less digits than its factorization.

252652530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 252652530 is about 15895.0473418609. The cubic root of 252652530 is about 632.1806769254.

The spelling of 252652530 in words is "two hundred fifty-two million, six hundred fifty-two thousand, five hundred thirty".