512994374 has 4 divisors (see below), whose sum is σ = 769491564. Its totient is φ = 256497186.

The previous prime is 512994371. The next prime is 512994379. The reversal of 512994374 is 473499215.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512994371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128248592 + ... + 128248595.

It is an arithmetic number, because the mean of its divisors is an integer number (192372891).

Almost surely, 2^512994374 is an apocalyptic number.

512994374 is a deficient number, since it is larger than the sum of its proper divisors (256497190).

512994374 is a wasteful number, since it uses less digits than its factorization.

512994374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256497189.

The product of its digits is 272160, while the sum is 44.

The square root of 512994374 is about 22649.3791084877. The cubic root of 512994374 is about 800.5175682067.

The spelling of 512994374 in words is "five hundred twelve million, nine hundred ninety-four thousand, three hundred seventy-four".