2579 is a prime number. It is a safe prime (A005385).
2579 is the smallest prime number that can be expressed as the sum of 13 consecutive Fibonacci numbers (the fourth to the sixteenth). It is also a prime that is the difference of two Fibonacci numbers (A113188).
2579 is the smallest prime that is equal to the sum of 35 consecutive primes (A070934).
2579 is 40304 in base 5 (A029973).
Source: Prime Curios!