955

955 = 5 x 191.

955 is the number of ways to arrange the numbers 1 to 9 around a circle so that the sums of adjacent numbers are distinct.

955 is 32323 in base 4 and 353 in base 17.

955 and 955² = 912025 have the same digit sum (A058369): 9 + 5 + 5 = 19 = 9 + 1 + 2 + 0 + 2 + 5. They also have the same initial digit and final digit (A086457).

955 and the 955th prime (7537) have only the digit 5 in common (A107936).

Source: What's Special About This Number?