525684 has 24 divisors (see below), whose sum is σ = 1245888. Its totient is φ = 172480.

The previous prime is 525677. The next prime is 525697. The reversal of 525684 is 486525.

It is a congruent number.

It is an unprimeable number.

525684 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544 + ... + 1160.

It is an arithmetic number, because the mean of its divisors is an integer number (51912).

2⁵²⁵⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

525684 is an abundant number, since it is smaller than the sum of its proper divisors (720204).

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

525684 is a wasteful number, since it uses less digits than its factorization.

525684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 693 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 525684 is about 725.0406885134. The cubic root of 525684 is about 80.7064515479.

The spelling of 525684 in words is "five hundred twenty-five thousand, six hundred eighty-four".