Step 1: Divide the number into separate digits:
95175 => 9 5 1 7 5
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
9 to 5 = 4
5 to 1 = 4
1 to 7 = 6
7 to 5 = 2
5 to 9 = 4
Step 3: Combine the filters to a string:
4 4 6 2 4 = 44624