509 is a prime number from 501-600. 509 has 2 factors, 1 and 509. It is the 97th prime number, and the second prime number from 501-600.
Proofs[]
Relationship with other odd numbers[]
The numbers before[]
- The previous prime number is 503.
- 503 and 509 are six numbers apart; therefore, they are sexy primes.
The numbers after[]
- The next prime number is 521, 12 numbers away.