5239913 has 6 divisors (see below), whose sum is σ = 6095466. Its totient is φ = 4491312.

The previous prime is 5239909. The next prime is 5239931. The reversal of 5239913 is 3199325.

It can be written as a sum of positive squares in only one way, i.e., 4293184 + 946729 = 2072^2 + 973^2 .

It is not a de Polignac number, because 5239913 - 2² = 5239909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5239913.

It is not an unprimeable number, because it can be changed into a prime (5239943) 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, 53420 + ... + 53517.

It is an arithmetic number, because the mean of its divisors is an integer number (1015911).

Almost surely, 2^5239913 is an apocalyptic number.

It is an amenable number.

5239913 is a deficient number, since it is larger than the sum of its proper divisors (855553).

5239913 is a wasteful number, since it uses less digits than its factorization.

5239913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106951 (or 106944 counting only the distinct ones).

The product of its digits is 7290, while the sum is 32.

The square root of 5239913 is about 2289.0856253098. The cubic root of 5239913 is about 173.6899507825.

The spelling of 5239913 in words is "five million, two hundred thirty-nine thousand, nine hundred thirteen".