Q: Is 1,620,512 a Prime Number?
A: No, 1,620,512 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1620512 can be evenly divided by 1 2 4 8 16 32 89 178 356 569 712 1,138 1,424 2,276 2,848 4,552 9,104 18,208 50,641 101,282 202,564 405,128 810,256 and 1,620,512, with no remainder.
Since 1,620,512 cannot be divided by just 1 and 1,620,512, it is not a prime number.