25795687 has 2 divisors, whose sum is σ = 25795688. Its totient is φ = 25795686.

The previous prime is 25795661. The next prime is 25795691. The reversal of 25795687 is 78659752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25795687 - 2¹¹ = 25793639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25795687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25795607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12897843 + 12897844.

It is an arithmetic number, because the mean of its divisors is an integer number (12897844).

Almost surely, 2^25795687 is an apocalyptic number.

25795687 is a deficient number, since it is larger than the sum of its proper divisors (1).

25795687 is an equidigital number, since it uses as much as digits as its factorization.

25795687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 49.

The square root of 25795687 is about 5078.9454614122. The cubic root of 25795687 is about 295.4715698191.

The spelling of 25795687 in words is "twenty-five million, seven hundred ninety-five thousand, six hundred eighty-seven".