525053520 has 120 divisors (see below), whose sum is σ = 1788314112. Its totient is φ = 138028800.

The previous prime is 525053519. The next prime is 525053527. The reversal of 525053520 is 25350525.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525053527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45985 + ... + 56255.

Almost surely, 2^525053520 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 525053520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894157056).

525053520 is an abundant number, since it is smaller than the sum of its proper divisors (1263260592).

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

525053520 is a wasteful number, since it uses less digits than its factorization.

525053520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361 (or 10352 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 525053520 is about 22914.0463471644. The cubic root of 525053520 is about 806.7417350018.

The spelling of 525053520 in words is "five hundred twenty-five million, fifty-three thousand, five hundred twenty".