252505794522 has 32 divisors (see below), whose sum is σ = 515206251648. Its totient is φ = 82473599936.

The previous prime is 252505794509. The next prime is 252505794523. The reversal of 252505794522 is 225497505252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (252505794523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267798 + ... + 759425.

It is an arithmetic number, because the mean of its divisors is an integer number (16100195364).

Almost surely, 2^252505794522 is an apocalyptic number.

252505794522 is an abundant number, since it is smaller than the sum of its proper divisors (262700457126).

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

252505794522 is a wasteful number, since it uses less digits than its factorization.

252505794522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028054.

The product of its (nonzero) digits is 2520000, while the sum is 48.

The spelling of 252505794522 in words is "two hundred fifty-two billion, five hundred five million, seven hundred ninety-four thousand, five hundred twenty-two".