512117330 has 8 divisors (see below), whose sum is σ = 921811212. Its totient is φ = 204846928.

The previous prime is 512117329. The next prime is 512117341. The reversal of 512117330 is 33711215.

It can be written as a sum of positive squares in 2 ways, for example, as 444071329 + 68046001 = 21073^2 + 8249^2 .

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 = 512117296 and 512117305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25605857 + ... + 25605876.

Almost surely, 2^512117330 is an apocalyptic number.

512117330 is a deficient number, since it is larger than the sum of its proper divisors (409693882).

512117330 is a wasteful number, since it uses less digits than its factorization.

512117330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51211740.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 512117330 is about 22630.0095006608. The cubic root of 512117330 is about 800.0611047076.

Adding to 512117330 its reverse (33711215), we get a palindrome (545828545).

The spelling of 512117330 in words is "five hundred twelve million, one hundred seventeen thousand, three hundred thirty".