525128525 has 24 divisors (see below), whose sum is σ = 683527680. Its totient is φ = 399439040.

The previous prime is 525128507. The next prime is 525128543. The reversal of 525128525 is 525821525.

It is an interprime number because it is at equal distance from previous prime (525128507) and next prime (525128543).

It is not a de Polignac number, because 525128525 - 2⁸ = 525128269 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 96836 + ... + 102114.

It is an arithmetic number, because the mean of its divisors is an integer number (28480320).

Almost surely, 2^525128525 is an apocalyptic number.

It is an amenable number.

525128525 is a deficient number, since it is larger than the sum of its proper divisors (158399155).

525128525 is a wasteful number, since it uses less digits than its factorization.

525128525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485 (or 5480 counting only the distinct ones).

The product of its digits is 40000, while the sum is 35.

The square root of 525128525 is about 22915.6829485835. The cubic root of 525128525 is about 806.7801480908.

The spelling of 525128525 in words is "five hundred twenty-five million, one hundred twenty-eight thousand, five hundred twenty-five".