525165 has 16 divisors (see below), whose sum is σ = 849408. Its totient is φ = 277056.

The previous prime is 525163. The next prime is 525167. The reversal of 525165 is 561525.

It is an interprime number because it is at equal distance from previous prime (525163) and next prime (525167).

It is not a de Polignac number, because 525165 - 2¹ = 525163 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2244 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (53088).

2⁵²⁵¹⁶⁵ is an apocalyptic number.

It is an amenable number.

525165 is a deficient number, since it is larger than the sum of its proper divisors (324243).

525165 is a wasteful number, since it uses less digits than its factorization.

525165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388.

The product of its digits is 1500, while the sum is 24.

The square root of 525165 is about 724.6826891820. The cubic root of 525165 is about 80.6798827089.

The spelling of 525165 in words is "five hundred twenty-five thousand, one hundred sixty-five".