25992011 has 2 divisors, whose sum is σ = 25992012. Its totient is φ = 25992010.

The previous prime is 25991971. The next prime is 25992017. The reversal of 25992011 is 11029952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25992011 - 2¹⁴ = 25975627 is a prime.

It is a Chen prime.

It is equal to p_1624079 and since 25992011 and 1624079 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (25992017) 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, 12996005 + 12996006.

It is an arithmetic number, because the mean of its divisors is an integer number (12996006).

Almost surely, 2^25992011 is an apocalyptic number.

25992011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25992011 is an equidigital number, since it uses as much as digits as its factorization.

25992011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 25992011 is about 5098.2360675041. The cubic root of 25992011 is about 296.2192609361.

The spelling of 25992011 in words is "twenty-five million, nine hundred ninety-two thousand, eleven".