513312874 has 8 divisors (see below), whose sum is σ = 770360868. Its totient is φ = 256525920.

The previous prime is 513312851. The next prime is 513312881. The reversal of 513312874 is 478213315.

It can be written as a sum of positive squares in 2 ways, for example, as 474934849 + 38378025 = 21793^2 + 6195^2 .

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

It is a super-2 number, since 2×513312874² = 526980213228279752, which contains 22 as substring.

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, 60267 + ... + 68254.

Almost surely, 2^513312874 is an apocalyptic number.

513312874 is a deficient number, since it is larger than the sum of its proper divisors (257047994).

513312874 is a wasteful number, since it uses less digits than its factorization.

513312874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130520.

The product of its digits is 20160, while the sum is 34.

The square root of 513312874 is about 22656.4091153033. The cubic root of 513312874 is about 800.6832049144.

The spelling of 513312874 in words is "five hundred thirteen million, three hundred twelve thousand, eight hundred seventy-four".