513258832 has 20 divisors (see below), whose sum is σ = 1052935956. Its totient is φ = 241533440.

The previous prime is 513258763. The next prime is 513258833. The reversal of 513258832 is 238852315.

It can be written as a sum of positive squares in 2 ways, for example, as 452668176 + 60590656 = 21276^2 + 7784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 513258791 and 513258800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513258833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943219 + ... + 943762.

Almost surely, 2^513258832 is an apocalyptic number.

It is an amenable number.

513258832 is an abundant number, since it is smaller than the sum of its proper divisors (539677124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513258832 is a wasteful number, since it uses less digits than its factorization.

513258832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887006 (or 1887000 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 513258832 is about 22655.2164412526. The cubic root of 513258832 is about 800.6551050669.

The spelling of 513258832 in words is "five hundred thirteen million, two hundred fifty-eight thousand, eight hundred thirty-two".