This number is a composite.
The smallest odd square that is the sum of the n first primes: 2 + 3 + 5 + 7 + 11 + ... + 22073 = 25633969. [Gallardo]
The smallest odd square that is the sum of the n first primes: 2 + 3 + 5 + 7 + 11 + ... + 22073 = 25633969. [Gallardo]