5318 has 4 divisors (see below), whose sum is σ = 7980. Its totient is φ = 2658.

The previous prime is 5309. The next prime is 5323. The reversal of 5318 is 8135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8135 = 5 ⋅1627.

It is a super-2 number, since 2×5318² = 56562248, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5296 and 5305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (1995).

2⁵³¹⁸ is an apocalyptic number.

5318 is a deficient number, since it is larger than the sum of its proper divisors (2662).

5318 is a wasteful number, since it uses less digits than its factorization.

5318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661.

The product of its digits is 120, while the sum is 17.

The square root of 5318 is about 72.9246186140. The cubic root of 5318 is about 17.4548495975.

Adding to 5318 its sum of digits (17), we get a palindrome (5335).

It can be divided in two parts, 5 and 318, that added together give a palindrome (323).

The spelling of 5318 in words is "five thousand, three hundred eighteen".