2265287 has 2 divisors, whose sum is σ = 2265288. Its totient is φ = 2265286.

The previous prime is 2265271. The next prime is 2265323. The reversal of 2265287 is 7825622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2265287 - 2⁴ = 2265271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2265587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132643 + 1132644.

It is an arithmetic number, because the mean of its divisors is an integer number (1132644).

2^2265287 is an apocalyptic number.

2265287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265287 is an equidigital number, since it uses as much as digits as its factorization.

2265287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 2265287 is about 1505.0870406724. The cubic root of 2265287 is about 131.3331651304. Note that the first 3 decimals are identical.

It can be divided in two parts, 2265 and 287, that added together give a palindrome (2552).

The spelling of 2265287 in words is "two million, two hundred sixty-five thousand, two hundred eighty-seven".