252421214552 has 32 divisors (see below), whose sum is σ = 509718938400. Its totient is φ = 116497012224.

The previous prime is 252421214537. The next prime is 252421214569. The reversal of 252421214552 is 255412124252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3445568 + ... + 3518064.

It is an arithmetic number, because the mean of its divisors is an integer number (15928716825).

Almost surely, 2^252421214552 is an apocalyptic number.

It is an amenable number.

252421214552 is an abundant number, since it is smaller than the sum of its proper divisors (257297723848).

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

252421214552 is a wasteful number, since it uses less digits than its factorization.

252421214552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105995 (or 105991 counting only the distinct ones).

The product of its digits is 64000, while the sum is 35.

The spelling of 252421214552 in words is "two hundred fifty-two billion, four hundred twenty-one million, two hundred fourteen thousand, five hundred fifty-two".