525905120 has 96 divisors (see below), whose sum is σ = 1396325952. Its totient is φ = 185720832.

The previous prime is 525905119. The next prime is 525905131. The reversal of 525905120 is 21509525.

It is a congruent number.

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, 42344 + ... + 53336.

It is an arithmetic number, because the mean of its divisors is an integer number (14545062).

Almost surely, 2^525905120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525905120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698162976).

525905120 is an abundant number, since it is smaller than the sum of its proper divisors (870420832).

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

525905120 is a wasteful number, since it uses less digits than its factorization.

525905120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11044 (or 11036 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 525905120 is about 22932.6213067761. The cubic root of 525905120 is about 807.1776589196.

The spelling of 525905120 in words is "five hundred twenty-five million, nine hundred five thousand, one hundred twenty".