525375520 has 48 divisors (see below), whose sum is σ = 1250182080. Its totient is φ = 208629504.

The previous prime is 525375511. The next prime is 525375523. The reversal of 525375520 is 25573525.

It is not an unprimeable number, because it can be changed into a prime (525375523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10429 + ... + 34051.

It is an arithmetic number, because the mean of its divisors is an integer number (26045460).

Almost surely, 2^525375520 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 525375520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625091040).

525375520 is an abundant number, since it is smaller than the sum of its proper divisors (724806560).

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

525375520 is a wasteful number, since it uses less digits than its factorization.

525375520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23777 (or 23769 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 525375520 is about 22921.0715281812. The cubic root of 525375520 is about 806.9066183541.

The spelling of 525375520 in words is "five hundred twenty-five million, three hundred seventy-five thousand, five hundred twenty".