525402225120 has 48 divisors (see below), whose sum is σ = 1655017010640. Its totient is φ = 140107259904.

The previous prime is 525402225119. The next prime is 525402225191. The reversal of 525402225120 is 21522204525.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×525402225120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 547293505 + ... + 547294464.

It is an arithmetic number, because the mean of its divisors is an integer number (34479521055).

Almost surely, 2^525402225120 is an apocalyptic number.

It is an amenable number.

525402225120 is an abundant number, since it is smaller than the sum of its proper divisors (1129614785520).

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

525402225120 is a wasteful number, since it uses less digits than its factorization.

525402225120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094587987 (or 1094587979 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 525402225120 its reverse (21522204525), we get a palindrome (546924429645).

The spelling of 525402225120 in words is "five hundred twenty-five billion, four hundred two million, two hundred twenty-five thousand, one hundred twenty".