525252525 has 96 divisors (see below), whose sum is σ = 1037076480. Its totient is φ = 229582080.

The previous prime is 525252523. The next prime is 525252529.

525252525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525252525 - 2¹ = 525252523 is a prime.

It is an alternating number because its digits alternate between odd and even.

525252525 is an undulating number in base 10.

525252525 is a modest number, since divided by 252525 gives 525 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525252521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1196256 + ... + 1196694.

It is an arithmetic number, because the mean of its divisors is an integer number (10802880).

Almost surely, 2^525252525 is an apocalyptic number.

It is an amenable number.

525252525 is a deficient number, since it is larger than the sum of its proper divisors (511823955).

525252525 is a wasteful number, since it uses less digits than its factorization.

525252525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 550 counting only the distinct ones).

The product of its digits is 50000, while the sum is 33.

The square root of 525252525 is about 22918.3883595684. The cubic root of 525252525 is about 806.8436454762.

Subtracting from 525252525 its product of digits (50000), we obtain a palindrome (525202525).

The spelling of 525252525 in words is "five hundred twenty-five million, two hundred fifty-two thousand, five hundred twenty-five".