725

725 = 5² x 29.

725 has three representations as a sum of two squares: 725 = 7² + 26² = 10² + 25² = 14² + 23².

725 is the hypotenuse of two primitive Pythagorean triples: 725² = 333² + 644² = 364² + 627².

725² = 525,625, which involves, 525, 625, and 725.

The Europcopter EC 725 Super Cougar is a long-range tactical transport helicopter developed for military use.

Source: WolframAlpha