525902 has 16 divisors (see below), whose sum is σ = 861840. Its totient is φ = 239232.

The previous prime is 525893. The next prime is 525913. The reversal of 525902 is 209525.

It is a happy number.

525902 is nontrivially palindromic in base 12.

It is a congruent number.

It is an unprimeable number.

525902 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, 2849 + ... + 3027.

It is an arithmetic number, because the mean of its divisors is an integer number (53865).

2⁵²⁵⁹⁰² is an apocalyptic number.

525902 is a deficient number, since it is larger than the sum of its proper divisors (335938).

525902 is a wasteful number, since it uses less digits than its factorization.

525902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 525902 is about 725.1910093210. The cubic root of 525902 is about 80.7176062688.

The spelling of 525902 in words is "five hundred twenty-five thousand, nine hundred two".