517393245231 has 12 divisors (see below), whose sum is σ = 756349966008. Its totient is φ = 340773060624.

The previous prime is 517393245221. The next prime is 517393245233. The reversal of 517393245231 is 132542393715.

517393245231 is a `hidden beast` number, since 5 + 1 + 7 + 393 + 24 + 5 + 231 = 666.

517393245231 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 517393245231 - 2¹¹ = 517393243183 is a prime.

It is a super-2 number, since 2×517393245231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517393245233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346313340 + ... + 346314833.

It is an arithmetic number, because the mean of its divisors is an integer number (63029163834).

Almost surely, 2^517393245231 is an apocalyptic number.

517393245231 is a deficient number, since it is larger than the sum of its proper divisors (238956720777).

517393245231 is a wasteful number, since it uses less digits than its factorization.

517393245231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692628262 (or 692628259 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The spelling of 517393245231 in words is "five hundred seventeen billion, three hundred ninety-three million, two hundred forty-five thousand, two hundred thirty-one".