1483733

This number is a prime.

The eleventh term of the sequence of 11 primes: 2, 2+3, 2*5+3, 2*5+3*7, ... , 2*5*11*17*23*31+3*7*13*19*29. The sum of the 1st, 3rd, 5th, 7th, 9th and the 11th term of the sequence is another prime, as is the sum of the 2nd, 4th, 6th, 8th and the 10th. [Petrov]