2425139 has 2 divisors, whose sum is σ = 2425140. Its totient is φ = 2425138.

The previous prime is 2425117. The next prime is 2425193. The reversal of 2425139 is 9315242.

Together with next prime (2425193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2425139 - 2¹² = 2421043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2425039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1212569 + 1212570.

It is an arithmetic number, because the mean of its divisors is an integer number (1212570).

2^2425139 is an apocalyptic number.

2425139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2425139 is an equidigital number, since it uses as much as digits as its factorization.

2425139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 2425139 is about 1557.2857798105. The cubic root of 2425139 is about 134.3524360166.

The spelling of 2425139 in words is "two million, four hundred twenty-five thousand, one hundred thirty-nine".