26265191 has 2 divisors, whose sum is σ = 26265192. Its totient is φ = 26265190.

The previous prime is 26265167. The next prime is 26265193. The reversal of 26265191 is 19156262.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26265191 is a prime.

Together with 26265193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26265193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13132595 + 13132596.

It is an arithmetic number, because the mean of its divisors is an integer number (13132596).

Almost surely, 2^26265191 is an apocalyptic number.

26265191 is a deficient number, since it is larger than the sum of its proper divisors (1).

26265191 is an equidigital number, since it uses as much as digits as its factorization.

26265191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 26265191 is about 5124.9576583617. The cubic root of 26265191 is about 297.2534161817.

The spelling of 26265191 in words is "twenty-six million, two hundred sixty-five thousand, one hundred ninety-one".