2265257 has 4 divisors (see below), whose sum is σ = 2269380. Its totient is φ = 2261136.

The previous prime is 2265239. The next prime is 2265269. The reversal of 2265257 is 7525622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 246016 + 2019241 = 496^2 + 1421^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265257 - 2⁸ = 2265001 is a prime.

It is a pancake number, because a pancake can be divided into 2265257 parts by 2128 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2265287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (567345).

2^2265257 is an apocalyptic number.

It is an amenable number.

2265257 is a deficient number, since it is larger than the sum of its proper divisors (4123).

2265257 is an equidigital number, since it uses as much as digits as its factorization.

2265257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122.

The product of its digits is 8400, while the sum is 29.

The square root of 2265257 is about 1505.0770744384. The cubic root of 2265257 is about 131.3325853640.

The spelling of 2265257 in words is "two million, two hundred sixty-five thousand, two hundred fifty-seven".