525105 has 24 divisors (see below), whose sum is σ = 1040832. Its totient is φ = 239904.

The previous prime is 525101. The next prime is 525127. The reversal of 525105 is 501525.

It is not a de Polignac number, because 525105 - 2² = 525101 is a prime.

It is a super-2 number, since 2×525105² = 551470522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 519 + ... + 1148.

It is an arithmetic number, because the mean of its divisors is an integer number (43368).

2⁵²⁵¹⁰⁵ is an apocalyptic number.

It is an amenable number.

525105 is a deficient number, since it is larger than the sum of its proper divisors (515727).

525105 is a wasteful number, since it uses less digits than its factorization.

525105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1682 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 525105 is about 724.6412905707. The cubic root of 525105 is about 80.6768100382.

It can be divided in two parts, 525 and 105, that added together give a triangular number (630 = T₃₅).

The spelling of 525105 in words is "five hundred twenty-five thousand, one hundred five".