2265749 has 2 divisors, whose sum is σ = 2265750. Its totient is φ = 2265748.

The previous prime is 2265737. The next prime is 2265751. The reversal of 2265749 is 9475622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 255025 = 1418^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265749 - 2⁸ = 2265493 is a prime.

Together with 2265751, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 6⁵ + 5⁵ + 7³ + 4⁸ + 9⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2265779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132874 + 1132875.

It is an arithmetic number, because the mean of its divisors is an integer number (1132875).

2^2265749 is an apocalyptic number.

It is an amenable number.

2265749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265749 is an equidigital number, since it uses as much as digits as its factorization.

2265749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 2265749 is about 1505.2405123435. The cubic root of 2265749 is about 131.3420928878.

The spelling of 2265749 in words is "two million, two hundred sixty-five thousand, seven hundred forty-nine".