513596494 has 4 divisors (see below), whose sum is σ = 770394744. Its totient is φ = 256798246.

The previous prime is 513596471. The next prime is 513596507. The reversal of 513596494 is 494695315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 494695315 = 5 ⋅98939063.

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 as a sum of consecutive naturals, namely, 128399122 + ... + 128399125.

It is an arithmetic number, because the mean of its divisors is an integer number (192598686).

Almost surely, 2^513596494 is an apocalyptic number.

513596494 is a deficient number, since it is larger than the sum of its proper divisors (256798250).

513596494 is a wasteful number, since it uses less digits than its factorization.

513596494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256798249.

The product of its digits is 583200, while the sum is 46.

The square root of 513596494 is about 22662.6674069934. The cubic root of 513596494 is about 800.8306445302.

The spelling of 513596494 in words is "five hundred thirteen million, five hundred ninety-six thousand, four hundred ninety-four".