513654794 has 16 divisors (see below), whose sum is σ = 792552168. Its totient is φ = 249492672.

The previous prime is 513654773. The next prime is 513654803. The reversal of 513654794 is 497456315.

It can be written as a sum of positive squares in 4 ways, for example, as 513249025 + 405769 = 22655^2 + 637^2 .

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 7 ways as a sum of consecutive naturals, for example, 44972 + ... + 55224.

Almost surely, 2^513654794 is an apocalyptic number.

513654794 is a deficient number, since it is larger than the sum of its proper divisors (278897374).

513654794 is a wasteful number, since it uses less digits than its factorization.

513654794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10969.

The product of its digits is 453600, while the sum is 44.

The square root of 513654794 is about 22663.9536268498. The cubic root of 513654794 is about 800.8609450097.

The spelling of 513654794 in words is "five hundred thirteen million, six hundred fifty-four thousand, seven hundred ninety-four".