525680 has 20 divisors (see below), whose sum is σ = 1222392. Its totient is φ = 210240.

The previous prime is 525677. The next prime is 525697. The reversal of 525680 is 86525.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3206 + ... + 3365.

2⁵²⁵⁶⁸⁰ is an apocalyptic number.

It is an amenable number.

525680 is an abundant number, since it is smaller than the sum of its proper divisors (696712).

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

525680 is a wasteful number, since it uses less digits than its factorization.

525680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6584 (or 6578 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 525680 is about 725.0379300423. The cubic root of 525680 is about 80.7062468453.

The spelling of 525680 in words is "five hundred twenty-five thousand, six hundred eighty".