513375125 has 16 divisors (see below), whose sum is σ = 654331392. Its totient is φ = 401957200.

The previous prime is 513375113. The next prime is 513375127. The reversal of 513375125 is 521573315.

It is not a de Polignac number, because 513375125 - 2¹² = 513371029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513375091 and 513375100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513375127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37817 + ... + 49566.

It is an arithmetic number, because the mean of its divisors is an integer number (40895712).

Almost surely, 2^513375125 is an apocalyptic number.

It is an amenable number.

513375125 is a deficient number, since it is larger than the sum of its proper divisors (140956267).

513375125 is an equidigital number, since it uses as much as digits as its factorization.

513375125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87445 (or 87435 counting only the distinct ones).

The product of its digits is 15750, while the sum is 32.

The square root of 513375125 is about 22657.7828791786. The cubic root of 513375125 is about 800.7155706949.

The spelling of 513375125 in words is "five hundred thirteen million, three hundred seventy-five thousand, one hundred twenty-five".