525860 has 12 divisors (see below), whose sum is σ = 1104348. Its totient is φ = 210336.

The previous prime is 525839. The next prime is 525869. The reversal of 525860 is 68525.

It can be written as a sum of positive squares in 2 ways, for example, as 401956 + 123904 = 634^2 + 352^2 .

It is not an unprimeable number, because it can be changed into a prime (525869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13127 + ... + 13166.

It is an arithmetic number, because the mean of its divisors is an integer number (92029).

2⁵²⁵⁸⁶⁰ is an apocalyptic number.

It is an amenable number.

525860 is an abundant number, since it is smaller than the sum of its proper divisors (578488).

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

525860 is a wasteful number, since it uses less digits than its factorization.

525860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26302 (or 26300 counting only the distinct ones).

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

The square root of 525860 is about 725.1620508548. The cubic root of 525860 is about 80.7154574339.

The spelling of 525860 in words is "five hundred twenty-five thousand, eight hundred sixty".