2265517 has 2 divisors, whose sum is σ = 2265518. Its totient is φ = 2265516.

The previous prime is 2265499. The next prime is 2265521. The reversal of 2265517 is 7155622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2223081 + 42436 = 1491^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265517 - 2¹⁵ = 2232749 is a prime.

It is a Chen 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, 1132758 + 1132759.

It is an arithmetic number, because the mean of its divisors is an integer number (1132759).

2^2265517 is an apocalyptic number.

It is an amenable number.

2265517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265517 is an equidigital number, since it uses as much as digits as its factorization.

2265517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 28.

The square root of 2265517 is about 1505.1634462742. The cubic root of 2265517 is about 131.3376098367.

The spelling of 2265517 in words is "two million, two hundred sixty-five thousand, five hundred seventeen".