Step 1: Divide the number into separate digits:
25795 => 2 5 7 9 5
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
2 to 5 = 3
5 to 7 = 2
7 to 9 = 2
9 to 5 = 4
5 to 2 = 3
Step 3: Combine the filters to a string:
3 2 2 4 3 = 32243