525985 has 8 divisors (see below), whose sum is σ = 642240. Its totient is φ = 413424.

The previous prime is 525983. The next prime is 526027. The reversal of 525985 is 589525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525985 - 2¹ = 525983 is a prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 525985.

It is not an unprimeable number, because it can be changed into a prime (525983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597 + ... + 1186.

It is an arithmetic number, because the mean of its divisors is an integer number (80280).

2⁵²⁵⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

525985 is a deficient number, since it is larger than the sum of its proper divisors (116255).

525985 is a wasteful number, since it uses less digits than its factorization.

525985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847.

The product of its digits is 18000, while the sum is 34.

The square root of 525985 is about 725.2482333657. The cubic root of 525985 is about 80.7218524394.

The spelling of 525985 in words is "five hundred twenty-five thousand, nine hundred eighty-five".