518

518 = 2 x 7 x 37.

518 = 5¹ + 1² + 8³.

518 is 2222 in base 6.

518 is a number n such that n² has the property that the sum of its digits and the product of its digits are nonzero squares: 518² = 268324; 2 + 6 + 8 + 3 + 2 + 4 = 25 = 25²; 2 x 6 x 8 x 3 x 2 x 4 = 2304 = 48².


518 is the telephone area code for Albany, N.Y.

Source: What’s Special About This Number?