25982611 has 2 divisors, whose sum is σ = 25982612. Its totient is φ = 25982610.

The previous prime is 25982603. The next prime is 25982623. The reversal of 25982611 is 11628952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25982611 - 2³ = 25982603 is a prime.

It is not a weakly prime, because it can be changed into another prime (25982641) 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, 12991305 + 12991306.

It is an arithmetic number, because the mean of its divisors is an integer number (12991306).

Almost surely, 2^25982611 is an apocalyptic number.

25982611 is a deficient number, since it is larger than the sum of its proper divisors (1).

25982611 is an equidigital number, since it uses as much as digits as its factorization.

25982611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 34.

The square root of 25982611 is about 5097.3140966591. The cubic root of 25982611 is about 296.1835474396.

The spelling of 25982611 in words is "twenty-five million, nine hundred eighty-two thousand, six hundred eleven".