513525125 has 16 divisors (see below), whose sum is σ = 641551872. Its totient is φ = 410389200.

The previous prime is 513525119. The next prime is 513525169. The reversal of 513525125 is 521525315.

It is not a de Polignac number, because 513525125 - 2²² = 509330821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176432 + ... + 179318.

It is an arithmetic number, because the mean of its divisors is an integer number (40096992).

Almost surely, 2^513525125 is an apocalyptic number.

It is an amenable number.

513525125 is a deficient number, since it is larger than the sum of its proper divisors (128026747).

513525125 is a wasteful number, since it uses less digits than its factorization.

513525125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325 (or 4315 counting only the distinct ones).

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

The square root of 513525125 is about 22661.0927582939. The cubic root of 513525125 is about 800.7935485281.

The spelling of 513525125 in words is "five hundred thirteen million, five hundred twenty-five thousand, one hundred twenty-five".