513250772617 has 16 divisors (see below), whose sum is σ = 567069511680. Its totient is φ = 460626800400.

The previous prime is 513250772581. The next prime is 513250772627. The reversal of 513250772617 is 716277052315.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513250772617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513250772627) 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, 7720992 + ... + 7787182.

It is an arithmetic number, because the mean of its divisors is an integer number (35441844480).

Almost surely, 2^513250772617 is an apocalyptic number.

It is an amenable number.

513250772617 is a deficient number, since it is larger than the sum of its proper divisors (53818739063).

513250772617 is a wasteful number, since it uses less digits than its factorization.

513250772617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75204.

The product of its (nonzero) digits is 617400, while the sum is 46.

The spelling of 513250772617 in words is "five hundred thirteen billion, two hundred fifty million, seven hundred seventy-two thousand, six hundred seventeen".