522

522 = 2 x 3² x 29.

522 has a representation as a sum of two squares: 522 = 9² + 21².

522 is the sum of six consecutive primes: 522 = 73 + 79 + 83 + 898 + 97 + 101.

522 is the sum of seven positive fifth powers: 522 = 1⁵ + 1⁵ + 1⁵ + 1⁵ + 2⁵ + 3⁵ + 3⁵.

The SOKO 522 was a two-seater, Yugoslavian military training and light attack aircraft produced in the 1950s.

Source: Wikipedia