525613880 has 64 divisors (see below), whose sum is σ = 1293926400. Its totient is φ = 190572160.

The previous prime is 525613813. The next prime is 525613883. The reversal of 525613880 is 88316525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525613883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166961 + ... + 170079.

It is an arithmetic number, because the mean of its divisors is an integer number (20217600).

Almost surely, 2^525613880 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 525613880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646963200).

525613880 is an abundant number, since it is smaller than the sum of its proper divisors (768312520).

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

525613880 is a wasteful number, since it uses less digits than its factorization.

525613880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524 (or 3520 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 525613880 is about 22926.2705209548. The cubic root of 525613880 is about 807.0286296105.

The spelling of 525613880 in words is "five hundred twenty-five million, six hundred thirteen thousand, eight hundred eighty".