 
No zeros occur in this puzzle.
**Contains each digit (19) at least once**
Across:
A: A prime number.
C: A multiple of the root of F across.
D: The subtraction of A across from A down.
F: A square number.
Down:
A: A square number and palindrome.
B: A square number.
C: A palindrome.
E: A prime number.
