252503403312 has 40 divisors (see below), whose sum is σ = 652350371904. Its totient is φ = 84161360704.

The previous prime is 252503403289. The next prime is 252503403329. The reversal of 252503403312 is 213304305252.

It is a self number, because there is not a number n which added to its sum of digits gives 252503403312.

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, 454603 + ... + 843605.

Almost surely, 2^252503403312 is an apocalyptic number.

It is an amenable number.

252503403312 is an abundant number, since it is smaller than the sum of its proper divisors (399846968592).

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

252503403312 is a wasteful number, since it uses less digits than its factorization.

252503403312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402537 (or 402531 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 252503403312 its reverse (213304305252), we get a palindrome (465807708564).

The spelling of 252503403312 in words is "two hundred fifty-two billion, five hundred three million, four hundred three thousand, three hundred twelve".