2265911 has 2 divisors, whose sum is σ = 2265912. Its totient is φ = 2265910.

The previous prime is 2265899. The next prime is 2265941. The reversal of 2265911 is 1195622.

2265911 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 2265911 - 2¹⁸ = 2003767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2265941) 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, 1132955 + 1132956.

It is an arithmetic number, because the mean of its divisors is an integer number (1132956).

2^2265911 is an apocalyptic number.

2265911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265911 is an equidigital number, since it uses as much as digits as its factorization.

2265911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 2265911 is about 1505.2943233800. The cubic root of 2265911 is about 131.3452231127.

The spelling of 2265911 in words is "two million, two hundred sixty-five thousand, nine hundred eleven".