I'm enjoying my 513574, where am I from?
Try reading the sentence. The beginning might be hard but then our brain gets used to it
Now that you understand the text, you can decipher the numbers. Each number represents a letter
The first word is INTELLIGENCE, which means that the letter I = 1, the letter T=7 and so forth. Now that you have discovered the answer, where in the world is it accustomed to do this?