525315525 has 72 divisors (see below), whose sum is σ = 1016434944. Its totient is φ = 238694400.

The previous prime is 525315473. The next prime is 525315533. The reversal of 525315525 is 525513525.

It is not a de Polignac number, because 525315525 - 2⁷ = 525315397 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 819205 + ... + 819845.

It is an arithmetic number, because the mean of its divisors is an integer number (14117152).

Almost surely, 2^525315525 is an apocalyptic number.

It is an amenable number.

525315525 is a deficient number, since it is larger than the sum of its proper divisors (491119419).

525315525 is a wasteful number, since it uses less digits than its factorization.

525315525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 879 counting only the distinct ones).

The product of its digits is 37500, while the sum is 33.

The square root of 525315525 is about 22919.7627605523. The cubic root of 525315525 is about 806.8759024162.

The spelling of 525315525 in words is "five hundred twenty-five million, three hundred fifteen thousand, five hundred twenty-five".