252004111530 has 32 divisors (see below), whose sum is σ = 604880740800. Its totient is φ = 67193221632.

The previous prime is 252004111501. The next prime is 252004111609. The reversal of 252004111530 is 35111400252.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 252004111530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229600 + ... + 746139.

It is an arithmetic number, because the mean of its divisors is an integer number (18902523150).

Almost surely, 2^252004111530 is an apocalyptic number.

252004111530 is an abundant number, since it is smaller than the sum of its proper divisors (352876629270).

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

252004111530 is a wasteful number, since it uses less digits than its factorization.

252004111530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984358.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 252004111530 its reverse (35111400252), we get a palindrome (287115511782).

The spelling of 252004111530 in words is "two hundred fifty-two billion, four million, one hundred eleven thousand, five hundred thirty".