2255191 has 2 divisors, whose sum is σ = 2255192. Its totient is φ = 2255190.

The previous prime is 2255161. The next prime is 2255233. The reversal of 2255191 is 1915522.

2255191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2255191 - 2⁵ = 2255159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2255111) 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, 1127595 + 1127596.

It is an arithmetic number, because the mean of its divisors is an integer number (1127596).

2^2255191 is an apocalyptic number.

2255191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255191 is an equidigital number, since it uses as much as digits as its factorization.

2255191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 25.

The square root of 2255191 is about 1501.7293364651. The cubic root of 2255191 is about 131.1377646718.

The spelling of 2255191 in words is "two million, two hundred fifty-five thousand, one hundred ninety-one".