517013 has 4 divisors (see below), whose sum is σ = 590880. Its totient is φ = 443148.

The previous prime is 517003. The next prime is 517043. The reversal of 517013 is 310715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310715 = 5 ⋅62143.

It is a cyclic number.

It is not a de Polignac number, because 517013 - 2⁶ = 516949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 516982 and 517000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36923 + ... + 36936.

It is an arithmetic number, because the mean of its divisors is an integer number (147720).

2⁵¹⁷⁰¹³ is an apocalyptic number.

It is an amenable number.

517013 is a deficient number, since it is larger than the sum of its proper divisors (73867).

517013 is an equidigital number, since it uses as much as digits as its factorization.

517013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73866.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 517013 is about 719.0361604259. The cubic root of 517013 is about 80.2602462307.

Adding to 517013 its reverse (310715), we get a palindrome (827728).

The spelling of 517013 in words is "five hundred seventeen thousand, thirteen".