525131525 has 12 divisors (see below), whose sum is σ = 654255744. Its totient is φ = 418110000.

The previous prime is 525131501. The next prime is 525131531.

525131525 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-525131525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44501 + ... + 55050.

It is an arithmetic number, because the mean of its divisors is an integer number (54521312).

Almost surely, 2^525131525 is an apocalyptic number.

It is an amenable number.

525131525 is a deficient number, since it is larger than the sum of its proper divisors (129124219).

525131525 is a wasteful number, since it uses less digits than its factorization.

525131525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99772 (or 99767 counting only the distinct ones).

The product of its digits is 7500, while the sum is 29.

The square root of 525131525 is about 22915.7484058453. The cubic root of 525131525 is about 806.7816844358.

The spelling of 525131525 in words is "five hundred twenty-five million, one hundred thirty-one thousand, five hundred twenty-five".