525135135 has 64 divisors (see below), whose sum is σ = 992673792. Its totient is φ = 232073856.

The previous prime is 525135131. The next prime is 525135139. The reversal of 525135135 is 531531525.

525135135 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (525135131) and next prime (525135139).

It is not a de Polignac number, because 525135135 - 2² = 525135131 is a prime.

It is a super-2 number, since 2×525135135² = 551533820022936450, which contains 22 as substring.

525135135 is a modest number, since divided by 135135 gives 525 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525135131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 482562 + ... + 483648.

It is an arithmetic number, because the mean of its divisors is an integer number (15510528).

Almost surely, 2^525135135 is an apocalyptic number.

525135135 is a deficient number, since it is larger than the sum of its proper divisors (467538657).

525135135 is a wasteful number, since it uses less digits than its factorization.

525135135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

The product of its digits is 11250, while the sum is 30.

The square root of 525135135 is about 22915.8271725024. The cubic root of 525135135 is about 806.7835331633.

The spelling of 525135135 in words is "five hundred twenty-five million, one hundred thirty-five thousand, one hundred thirty-five".