Step 1: Divide the number into separate digits:
94615 => 9 4 6 1 5
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
9 to 4 = 5
4 to 6 = 2
6 to 1 = 5
1 to 5 = 4
5 to 9 = 4
Step 3: Combine the filters to a string:
5 2 5 4 4 = 52544