Adding to 2261 its reverse (1622), we get a palindrome (3883).
2261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a magnanimous number.
It is a Duffinian number.
It is a Curzon number.
It is a nialpdrome in base 7 and base 14.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 2261.
It is an amenable number.
2261 is a wasteful number, since it uses less digits than its factorization.
2261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43.
The square root of 2261 is about 47.5499737119. The cubic root of 2261 is about 13.1250264550.
The spelling of 2261 in words is "two thousand, two hundred sixty-one".