5125139 has 2 divisors, whose sum is σ = 5125140. Its totient is φ = 5125138.

The previous prime is 5125093. The next prime is 5125151. The reversal of 5125139 is 9315215.

5125139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5125139 - 2²⁰ = 4076563 is a prime.

It is not a weakly prime, because it can be changed into another prime (5125039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562569 + 2562570.

It is an arithmetic number, because the mean of its divisors is an integer number (2562570).

Almost surely, 2^5125139 is an apocalyptic number.

5125139 is a deficient number, since it is larger than the sum of its proper divisors (1).

5125139 is an equidigital number, since it uses as much as digits as its factorization.

5125139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 26.

The square root of 5125139 is about 2263.8769842904. The cubic root of 5125139 is about 172.4124207114.

The spelling of 5125139 in words is "five million, one hundred twenty-five thousand, one hundred thirty-nine".