525530120 has 64 divisors (see below), whose sum is σ = 1260576000. Its totient is φ = 196604928.

The previous prime is 525530119. The next prime is 525530147. The reversal of 525530120 is 21035525.

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, 55664 + ... + 64416.

It is an arithmetic number, because the mean of its divisors is an integer number (19696500).

Almost surely, 2^525530120 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 525530120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630288000).

525530120 is an abundant number, since it is smaller than the sum of its proper divisors (735045880).

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

525530120 is a wasteful number, since it uses less digits than its factorization.

525530120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8862 (or 8858 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 525530120 is about 22924.4437228038. The cubic root of 525530120 is about 806.9857589079.

Adding to 525530120 its reverse (21035525), we get a palindrome (546565645).

The spelling of 525530120 in words is "five hundred twenty-five million, five hundred thirty thousand, one hundred twenty".