517427316 has 72 divisors (see below), whose sum is σ = 1497263040. Its totient is φ = 147591936.

The previous prime is 517427311. The next prime is 517427333. The reversal of 517427316 is 613724715.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517427311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197020 + ... + 199628.

It is an arithmetic number, because the mean of its divisors is an integer number (20795320).

Almost surely, 2^517427316 is an apocalyptic number.

It is an amenable number.

517427316 is an abundant number, since it is smaller than the sum of its proper divisors (979835724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517427316 is a wasteful number, since it uses less digits than its factorization.

517427316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413 (or 3408 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 517427316 is about 22747.0287290450. The cubic root of 517427316 is about 802.8167975077.

The spelling of 517427316 in words is "five hundred seventeen million, four hundred twenty-seven thousand, three hundred sixteen".