Perfect square digi-numbers (Inspired by Chan Tin Ping)

We call a positive integer N N perfect square digi-number if it's digits and number itself are perfect square numbers. For example, 49 is perfect square digi-number since 49 = 7 2 where 4 = 2 2 and 9 = 3 2 \begin{aligned}49= 7^2 \quad\text{where} \quad 4=2^2\quad \text{and} \quad 9=3^2\end{aligned} How many such integers are there between 10 to 10000 inclusive ?

Note:

\bullet Integers ending with only zeros are not counted as perfect square digi-number. For example , 100.

\bullet The digits can be distinct or identical . Enter your answer including 49 as well.

7 2 5 4

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