5139913 has 2 divisors, whose sum is σ = 5139914. Its totient is φ = 5139912.

The previous prime is 5139907. The next prime is 5139917. The reversal of 5139913 is 3199315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2913849 + 2226064 = 1707^2 + 1492^2 .

It is a cyclic number.

It is not a de Polignac number, because 5139913 - 2⁵ = 5139881 is a prime.

It is a super-3 number, since 3×5139913³ (a number of 21 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (5139917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2569956 + 2569957.

It is an arithmetic number, because the mean of its divisors is an integer number (2569957).

Almost surely, 2^5139913 is an apocalyptic number.

It is an amenable number.

5139913 is a deficient number, since it is larger than the sum of its proper divisors (1).

5139913 is an equidigital number, since it uses as much as digits as its factorization.

5139913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3645, while the sum is 31.

The square root of 5139913 is about 2267.1376226423. The cubic root of 5139913 is about 172.5779302017.

The spelling of 5139913 in words is "five million, one hundred thirty-nine thousand, nine hundred thirteen".