525025520 has 40 divisors (see below), whose sum is σ = 1223894880. Its totient is φ = 209457920.

The previous prime is 525025477. The next prime is 525025559. The reversal of 525025520 is 25520525.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 525025520.

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, 22685 + ... + 39555.

It is an arithmetic number, because the mean of its divisors is an integer number (30597372).

Almost surely, 2^525025520 is an apocalyptic number.

It is an amenable number.

525025520 is an abundant number, since it is smaller than the sum of its proper divisors (698869360).

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

525025520 is a wasteful number, since it uses less digits than its factorization.

525025520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17273 (or 17267 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 525025520 is about 22913.4353600677. The cubic root of 525025520 is about 806.7273941335.

The spelling of 525025520 in words is "five hundred twenty-five million, twenty-five thousand, five hundred twenty".