25848839 has 2 divisors, whose sum is σ = 25848840. Its totient is φ = 25848838.

The previous prime is 25848817. The next prime is 25848841. The reversal of 25848839 is 93884852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25848839 - 2⁸ = 25848583 is a prime.

Together with 25848841, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25848793 and 25848802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25848859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12924419 + 12924420.

It is an arithmetic number, because the mean of its divisors is an integer number (12924420).

Almost surely, 2^25848839 is an apocalyptic number.

25848839 is a deficient number, since it is larger than the sum of its proper divisors (1).

25848839 is an equidigital number, since it uses as much as digits as its factorization.

25848839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 47.

The square root of 25848839 is about 5084.1753510279. The cubic root of 25848839 is about 295.6743702661.

The spelling of 25848839 in words is "twenty-five million, eight hundred forty-eight thousand, eight hundred thirty-nine".