525165525 has 72 divisors (see below), whose sum is σ = 984145344. Its totient is φ = 277603200.

The previous prime is 525165521. The next prime is 525165533. The reversal of 525165525 is 525561525.

525165525 is a `hidden beast` number, since 52 + 51 + 6 + 552 + 5 = 666.

It is not a de Polignac number, because 525165525 - 2² = 525165521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525165525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525165521) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 831960 + ... + 832590.

Almost surely, 2^525165525 is an apocalyptic number.

It is an amenable number.

525165525 is a deficient number, since it is larger than the sum of its proper divisors (458979819).

525165525 is a wasteful number, since it uses less digits than its factorization.

525165525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 776 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The square root of 525165525 is about 22916.4902417451. The cubic root of 525165525 is about 806.7990959375.

Subtracting from 525165525 its product of digits (75000), we obtain a palindrome (525090525).

The spelling of 525165525 in words is "five hundred twenty-five million, one hundred sixty-five thousand, five hundred twenty-five".