25925239 has 2 divisors, whose sum is σ = 25925240. Its totient is φ = 25925238.

The previous prime is 25925219. The next prime is 25925279. The reversal of 25925239 is 93252952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25925239 - 2¹⁹ = 25400951 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25925198 and 25925207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25925219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12962619 + 12962620.

It is an arithmetic number, because the mean of its divisors is an integer number (12962620).

Almost surely, 2^25925239 is an apocalyptic number.

25925239 is a deficient number, since it is larger than the sum of its proper divisors (1).

25925239 is an equidigital number, since it uses as much as digits as its factorization.

25925239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The square root of 25925239 is about 5091.6833169395. The cubic root of 25925239 is about 295.9653865966.

The spelling of 25925239 in words is "twenty-five million, nine hundred twenty-five thousand, two hundred thirty-nine".