This number is a prime.

+ (8839, 8893) is the larger of only two pairs of 4-digit primes formed by inserting a double-digit prime p between the digits of its next prime q and by inserting q between the digits of its previous prime p, case (p=83, q=89). The other pair is (2239, 2293). [Loungrides]

(There are 2 curios for this number that have not yet been approved by an editor.)

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