252897530100 has 72 divisors (see below), whose sum is σ = 774759037248. Its totient is φ = 63472320000.

The previous prime is 252897530059. The next prime is 252897530141. The reversal of 252897530100 is 1035798252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (252897530059) and next prime (252897530141).

It is a congruent number.

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, 24788776 + ... + 24798975.

It is an arithmetic number, because the mean of its divisors is an integer number (10760542184).

Almost surely, 2^252897530100 is an apocalyptic number.

252897530100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252897530100 is an abundant number, since it is smaller than the sum of its proper divisors (521861507148).

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

252897530100 is a wasteful number, since it uses less digits than its factorization.

252897530100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49587785 (or 49587778 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 252897530100 in words is "two hundred fifty-two billion, eight hundred ninety-seven million, five hundred thirty thousand, one hundred".