513538125 has 40 divisors (see below), whose sum is σ = 906009984. Its totient is φ = 257760000.

The previous prime is 513538111. The next prime is 513538127. The reversal of 513538125 is 521835315.

It is not a de Polignac number, because 513538125 - 2¹¹ = 513536077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513538127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23820 + ... + 39930.

Almost surely, 2^513538125 is an apocalyptic number.

It is an amenable number.

513538125 is a deficient number, since it is larger than the sum of its proper divisors (392471859).

513538125 is a wasteful number, since it uses less digits than its factorization.

513538125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151 (or 16136 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 513538125 is about 22661.3795917195. The cubic root of 513538125 is about 800.8003058920.

The spelling of 513538125 in words is "five hundred thirteen million, five hundred thirty-eight thousand, one hundred twenty-five".