IBM Ponder This 03-16 Solved

Credited with solving this puzzle (w/ extra credit!):

Ponder This Challenge:

This month’s challenge is from Yan-Wu He (thanks!)
For a non-zero number (in list) (a1,a2,..,an), its square is (…, an,..,a2,a1),
Let’s call the number N “squareversed” if its square ends with the reverse of N.
For example, N=69714 is “squareversed”, since its square is 4860041796 which ends with 41796 (the reverse of N).
Find a 15 digits squarereversed number.
Bonus: Find a larger squarereversed number.

A solution with more than 20 digits will earn you a ‘**’.

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