525585 has 16 divisors (see below), whose sum is σ = 864576. Its totient is φ = 272448.

The previous prime is 525583. The next prime is 525593. The reversal of 525585 is 585525.

It is not a de Polignac number, because 525585 - 2¹ = 525583 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525585.

It is not an unprimeable number, because it can be changed into a prime (525583) by changing a digit.

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

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82 + ... + 1028.

It is an arithmetic number, because the mean of its divisors is an integer number (54036).

2⁵²⁵⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

525585 is a deficient number, since it is larger than the sum of its proper divisors (338991).

525585 is a wasteful number, since it uses less digits than its factorization.

525585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992.

The product of its digits is 10000, while the sum is 30.

The square root of 525585 is about 724.9724132683. The cubic root of 525585 is about 80.7013848536.

The spelling of 525585 in words is "five hundred twenty-five thousand, five hundred eighty-five".