513277609 has 16 divisors (see below), whose sum is σ = 587321280. Its totient is φ = 444640320.

The previous prime is 513277603. The next prime is 513277613. The reversal of 513277609 is 906772315.

It is a cyclic number.

It is not a de Polignac number, because 513277609 - 2⁹ = 513277097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513277603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16719 + ... + 36139.

It is an arithmetic number, because the mean of its divisors is an integer number (36707580).

Almost surely, 2^513277609 is an apocalyptic number.

It is an amenable number.

513277609 is a deficient number, since it is larger than the sum of its proper divisors (74043671).

513277609 is a wasteful number, since it uses less digits than its factorization.

513277609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19560.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 513277609 is about 22655.6308453329. The cubic root of 513277609 is about 800.6648686382.

The spelling of 513277609 in words is "five hundred thirteen million, two hundred seventy-seven thousand, six hundred nine".