2265761 has 2 divisors, whose sum is σ = 2265762. Its totient is φ = 2265760.

The previous prime is 2265751. The next prime is 2265779. The reversal of 2265761 is 1675622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 180625 = 1444^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265761 - 2¹⁰ = 2264737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2265721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132880 + 1132881.

It is an arithmetic number, because the mean of its divisors is an integer number (1132881).

2^2265761 is an apocalyptic number.

It is an amenable number.

2265761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265761 is an equidigital number, since it uses as much as digits as its factorization.

2265761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 2265761 is about 1505.2444984121. The cubic root of 2265761 is about 131.3423247614.

The spelling of 2265761 in words is "two million, two hundred sixty-five thousand, seven hundred sixty-one".