2293 has 2 divisors, whose sum is σ = 2294.
Its totient is φ = 2292.
The previous prime is 2287. The next prime is 2297. The reversal of 2293 is 3922.
2293 is nontrivially palindromic in base 5, base 6 and base 14.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1764 + 529 = 42^2 + 23^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2293 is a prime.
2293 is an undulating number in base 14.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2297) 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, 1146 + 1147.
It is an arithmetic number, because the mean of its divisors is an integer number (1147).
22293 is an apocalyptic number.
It is an amenable number.
2293 is a deficient number, since it is larger than the sum of its proper divisors (1).
2293 is an equidigital number, since it uses as much as digits as its factorization.
2293 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 108, while the sum is 16.
The square root of 2293 is about 47.8852795753.
The cubic root of 2293 is about 13.1866562430.
Adding to 2293 its product of digits (108), we get a 4-th power (2401 = 74).
It can be divided in two parts, 229 and 3, that added together give a palindrome (232).
The spelling of 2293 in words is "two thousand, two hundred ninety-three".