1. I am a 4 digit number.

  2. All of my digits are odd.

  3. All of my digits are different.

  4. My thousands digit is the smallest counting number.

  5. I am not divisible by 5.

  6. My tens digit is less than my units digit or my hundreds digit.

  7. The sum of my first and last digits equals the sum of my middle digits.

  8. I am less than 40 x 40.


      Who am I?








Answer: I am 1537.