512943330 has 16 divisors (see below), whose sum is σ = 1231064064. Its totient is φ = 136784880.

The previous prime is 512943317. The next prime is 512943331. The reversal of 512943330 is 33349215.

It is a super-2 number, since 2×512943330² = 526221719582977800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 17098111 = 512943330 / (5 + 1 + 2 + 9 + 4 + 3 + 3 + 3 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (512943331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8549026 + ... + 8549085.

It is an arithmetic number, because the mean of its divisors is an integer number (76941504).

Almost surely, 2^512943330 is an apocalyptic number.

512943330 is an abundant number, since it is smaller than the sum of its proper divisors (718120734).

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

512943330 is a wasteful number, since it uses less digits than its factorization.

512943330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17098121.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 512943330 is about 22648.2522504497. The cubic root of 512943330 is about 800.4910162754.

The spelling of 512943330 in words is "five hundred twelve million, nine hundred forty-three thousand, three hundred thirty".