941

941 is a prime number.

941 has a representation as a sum of two squares: 941 = 10² + 29².

941 is the hypotenuse of a primitive Pythagorean triple: 941² = 580² + 741².

941 is the smallest prime formed by the reverse concatenation of three consecutive squares.

941 is the smallest number whose proper substrings sum to its reversal: 9 + 4 + 1 + 94 + 41 = 149.

941 is the smallest prime resulting from the nine-digit fraction equation (A + B)^C + (D + E)^F + (G + H)^I,  where the letters A through I represent any combination of the nine digits 1 through 9. Note that (4 + 5)³ + (6 + 8)² + (7 + 9)¹ is the only distinct solution for 941.

Source: Prime Curios!