25934849 has 2 divisors, whose sum is σ = 25934850. Its totient is φ = 25934848.

The previous prime is 25934827. The next prime is 25934851. The reversal of 25934849 is 94843952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25200400 + 734449 = 5020^2 + 857^2 .

It is a cyclic number.

It is not a de Polignac number, because 25934849 - 2¹² = 25930753 is a prime.

Together with 25934851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25934749) 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, 12967424 + 12967425.

It is an arithmetic number, because the mean of its divisors is an integer number (12967425).

Almost surely, 2^25934849 is an apocalyptic number.

It is an amenable number.

25934849 is a deficient number, since it is larger than the sum of its proper divisors (1).

25934849 is an equidigital number, since it uses as much as digits as its factorization.

25934849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 25934849 is about 5092.6269252715. The cubic root of 25934849 is about 296.0019516855.

The spelling of 25934849 in words is "twenty-five million, nine hundred thirty-four thousand, eight hundred forty-nine".