For all the Mathematics loving friends...
1. I am a 4-digit even number, and all of my digits are different.
2. The sum of all my digits is 10.
3. Each of my digits is greater than zero.
4. The sum of the digits in my thousands place and hundreds place equals the sum of the digits in my ones place and tens place.
5. My largest digit is in the thousands place.
What number am I?