2265943 has 2 divisors, whose sum is σ = 2265944. Its totient is φ = 2265942.

The previous prime is 2265941. The next prime is 2265953. The reversal of 2265943 is 3495622.

2265943 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 2265943 - 2¹ = 2265941 is a prime.

Together with 2265941, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2³ + 2¹⁵ + 6⁷ + 5⁹ + 9 + 4² + 3⁴ .

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, 1132971 + 1132972.

It is an arithmetic number, because the mean of its divisors is an integer number (1132972).

2^2265943 is an apocalyptic number.

2265943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265943 is an equidigital number, since it uses as much as digits as its factorization.

2265943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 2265943 is about 1505.3049524930. The cubic root of 2265943 is about 131.3458414111.

The spelling of 2265943 in words is "two million, two hundred sixty-five thousand, nine hundred forty-three".