5291479 
This number is a prime.
 
The smallest prime in the first set of six consecutive
primes {5291479, 5291497, 5291509, 5291563, 5291569,
5291581} whose sum of digits is emirp.  [Bajpai]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean