Look at this table, which shows the place value of numbers up to millions.
You should know the value of each column and understand how each number is written.
In 6025 the 6 is in the Thousands column, so is worth 6000.
In 6 092 047 the 6 is in the Millions column, so is worth a massive 6 000 000.
In 1 234 567 the 6 is only in the Tens column, so is worth only 60.