2297 has 2 divisors, whose sum is σ = 2298.
Its totient is φ = 2296.
The previous prime is 2293. The next prime is 2309. The reversal of 2297 is 7922.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1936 + 361 = 44^2 + 19^2
It is a cyclic number.
It is not a de Polignac number, because 2297 - 22 = 2293 is a prime.
It is a nialpdrome in base 14 and base 15.
It is not a weakly prime, because it can be changed into another prime (2293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1148 + 1149.
It is an arithmetic number, because the mean of its divisors is an integer number (1149).
It is an amenable number.
2297 is a deficient number, since it is larger than the sum of its proper divisors (1).
2297 is an equidigital number, since it uses as much as digits as its factorization.
2297 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 252, while the sum is 20.
The square root of 2297 is about 47.9270278653.
The cubic root of 2297 is about 13.1943195638.
Subtracting 2297 from its reverse (7922), we obtain a square (5625 = 752).
The spelling of 2297 in words is "two thousand, two hundred ninety-seven".