Arrange the digits 6, 5, 3 in ascending order to get the smallest number: 3, 5, 6 &rarr; 356.<br><br>
&bull; For the second smallest, keep the first digit the same (3) and swap the other two digits.<br>
&bull; 3, 6, 5 &rarr; 365<br>
<br>
Final Answer: 365