94949

This number is a prime.

Just showing those entries submitted by 'Trotter': (Click here to show all)

The only 5-digit palindromic prime that is undulating and the sum of 3 consecutive primes (31643 + 31649 + 31657). Note that by adding 3 consecutive primes we only get one other undulating palindrome (16161), which is a non-prime. [Trotter]