252522455250 has 64 divisors (see below), whose sum is σ = 678780385920. Its totient is φ = 62159371200.

The previous prime is 252522455249. The next prime is 252522455261. The reversal of 252522455250 is 52554225252.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 252522455199 and 252522455208.

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, 12940120 + ... + 12959619.

It is an arithmetic number, because the mean of its divisors is an integer number (10605943530).

Almost surely, 2^252522455250 is an apocalyptic number.

252522455250 is an abundant number, since it is smaller than the sum of its proper divisors (426257930670).

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

252522455250 is a wasteful number, since it uses less digits than its factorization.

252522455250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25899772 (or 25899762 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 39.

The spelling of 252522455250 in words is "two hundred fifty-two billion, five hundred twenty-two million, four hundred fifty-five thousand, two hundred fifty".