252537580 has 96 divisors (see below), whose sum is σ = 570882816. Its totient is φ = 93689856.

The previous prime is 252537577. The next prime is 252537611. The reversal of 252537580 is 85735252.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1843272 + ... + 1843408.

It is an arithmetic number, because the mean of its divisors is an integer number (5946696).

Almost surely, 2^252537580 is an apocalyptic number.

252537580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252537580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285441408).

252537580 is an abundant number, since it is smaller than the sum of its proper divisors (318345236).

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

252537580 is a wasteful number, since it uses less digits than its factorization.

252537580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 252537580 is about 15891.4310242973. The cubic root of 252537580 is about 632.0847874015.

The spelling of 252537580 in words is "two hundred fifty-two million, five hundred thirty-seven thousand, five hundred eighty".