Sunday Times Teaser 2583 – Playing Cards
by Graham Smithers
Published: 25 March 2012 (link)
Oliver wrote down some numbers and then used a letter-for-digit code to make them into words. In this way his numbers became JACK, QUEEN, KING and ACE. In fact JACK and KING were perfect squares, QUEEN was odd, and ACE was a prime. Furthermore, appropriately enough, the sum of the four was divisible by 52.
What number was represented by QUEEN?