25382839 has 2 divisors, whose sum is σ = 25382840. Its totient is φ = 25382838.

The previous prime is 25382809. The next prime is 25382873. The reversal of 25382839 is 93828352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25382839 - 2⁹ = 25382327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25382809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12691419 + 12691420.

It is an arithmetic number, because the mean of its divisors is an integer number (12691420).

Almost surely, 2^25382839 is an apocalyptic number.

25382839 is a deficient number, since it is larger than the sum of its proper divisors (1).

25382839 is an equidigital number, since it uses as much as digits as its factorization.

25382839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 25382839 is about 5038.1384458945. The cubic root of 25382839 is about 293.8867898301.

The spelling of 25382839 in words is "twenty-five million, three hundred eighty-two thousand, eight hundred thirty-nine".