5243 has 6 divisors (see below), whose sum is σ = 6156. Its totient is φ = 4452.

The previous prime is 5237. The next prime is 5261. The reversal of 5243 is 3425.

It is not a de Polignac number, because 5243 - 2⁴ = 5227 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (5233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5 + ... + 102.

It is an arithmetic number, because the mean of its divisors is an integer number (1026).

5243 is a deficient number, since it is larger than the sum of its proper divisors (913).

5243 is a wasteful number, since it uses less digits than its factorization.

5243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 114 counting only the distinct ones).

The product of its digits is 120, while the sum is 14.

The square root of 5243 is about 72.4085630295. The cubic root of 5243 is about 17.3724052851.

Adding to 5243 its reverse (3425), we get a palindrome (8668).

The spelling of 5243 in words is "five thousand, two hundred forty-three".