525885 has 8 divisors (see below), whose sum is σ = 841440. Its totient is φ = 280464.

The previous prime is 525871. The next prime is 525887. The reversal of 525885 is 588525.

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

It is not a de Polignac number, because 525885 - 2⁴ = 525869 is a prime.

525885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525887) 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, 17515 + ... + 17544.

It is an arithmetic number, because the mean of its divisors is an integer number (105180).

2⁵²⁵⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

525885 is a deficient number, since it is larger than the sum of its proper divisors (315555).

525885 is a wasteful number, since it uses less digits than its factorization.

525885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35067.

The product of its digits is 16000, while the sum is 33.

The square root of 525885 is about 725.1792881764. The cubic root of 525885 is about 80.7167365161.

The spelling of 525885 in words is "five hundred twenty-five thousand, eight hundred eighty-five".