517424 has 20 divisors (see below), whose sum is σ = 1018536. Its totient is φ = 254592.

The previous prime is 517417. The next prime is 517457. The reversal of 517424 is 424715.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 517424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947 + ... + 1389.

2⁵¹⁷⁴²⁴ is an apocalyptic number.

It is an amenable number.

517424 is a deficient number, since it is larger than the sum of its proper divisors (501112).

517424 is a wasteful number, since it uses less digits than its factorization.

517424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 518 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 517424 is about 719.3219029058. The cubic root of 517424 is about 80.2815082519.

The spelling of 517424 in words is "five hundred seventeen thousand, four hundred twenty-four".