513394672 has 30 divisors (see below), whose sum is σ = 1137333704. Its totient is φ = 219923520.

The previous prime is 513394663. The next prime is 513394691. The reversal of 513394672 is 276493315.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238722 + ... + 240862.

Almost surely, 2^513394672 is an apocalyptic number.

It is an amenable number.

513394672 is an abundant number, since it is smaller than the sum of its proper divisors (623939032).

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

513394672 is an frugal number, since it uses more digits than its factorization.

513394672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297 (or 2150 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 513394672 is about 22658.2142279572. The cubic root of 513394672 is about 800.7257331069.

The spelling of 513394672 in words is "five hundred thirteen million, three hundred ninety-four thousand, six hundred seventy-two".