If the smaller number is x, the larger is 1625/x where x<= 1625 So the sum is x + 1625/x for 0< x <= sqrt(1625)
16/25 = 64%
No, it is a multiple of 5.
65,038,810 Sixtyfive million thirtyeight thousand eighthundred and ten soldiers died
twentyfive to sixtyfive dollars
0065 also written sixtyfive, comes before 665 or six hundred sixty five