This number is a prime.
The smallest prime that is the sum of the squares of first n centered 24-gonal numbers (1^2+25^2+73^2 +145^2+241^2 = 85061). [Bajpai]
The smallest prime that is the sum of the squares of first n centered 24-gonal numbers (1^2+25^2+73^2 +145^2+241^2 =
85061). [Bajpai]