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.
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 previous prime number before 503 is 499.
The numbers after
- The next prime number is 521.
- 511 is divisible by 7, while 517 is divisible by 11. Both numbers are composite.
- 523 is the next prime number after 521.
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