This number is a prime.

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The pair of consecutive primes (479, 487) is the only pair, at least up to 10^9, of consecutive primes (p,q) such that the reverse of the digits of p is equal to 2*q. [Galliani]

Submitted: 2019-04-21 06:46:39;   Last Modified: 2019-04-21 09:42:00.
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