25794889 has 2 divisors, whose sum is σ = 25794890. Its totient is φ = 25794888.

The previous prime is 25794871. The next prime is 25794893. The reversal of 25794889 is 98849752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23931664 + 1863225 = 4892^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 25794889 - 2¹¹ = 25792841 is a prime.

It is not a weakly prime, because it can be changed into another prime (25794829) 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, 12897444 + 12897445.

It is an arithmetic number, because the mean of its divisors is an integer number (12897445).

Almost surely, 2^25794889 is an apocalyptic number.

It is an amenable number.

25794889 is a deficient number, since it is larger than the sum of its proper divisors (1).

25794889 is an equidigital number, since it uses as much as digits as its factorization.

25794889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The square root of 25794889 is about 5078.8669011897. The cubic root of 25794889 is about 295.4685229435.

The spelling of 25794889 in words is "twenty-five million, seven hundred ninety-four thousand, eight hundred eighty-nine".