513024730 has 8 divisors (see below), whose sum is σ = 923444532. Its totient is φ = 205209888.

The previous prime is 513024727. The next prime is 513024749. The reversal of 513024730 is 37420315.

It can be written as a sum of positive squares in 2 ways, for example, as 496353841 + 16670889 = 22279^2 + 4083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 513024695 and 513024704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25651227 + ... + 25651246.

Almost surely, 2^513024730 is an apocalyptic number.

513024730 is a deficient number, since it is larger than the sum of its proper divisors (410419802).

513024730 is a wasteful number, since it uses less digits than its factorization.

513024730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51302480.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 513024730 is about 22650.0492273196. The cubic root of 513024730 is about 800.5333578744.

The spelling of 513024730 in words is "five hundred thirteen million, twenty-four thousand, seven hundred thirty".