This number is a prime.
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The smallest prime with all the prime digits that forms with its reversal palindromic primes of the forms "primemirp" and "emirprime": 352272253 ; 722535227. Note that the reversal 72253 belongs to a "twimirp" pair (i.e., twin primes that are both emirps): (72251, 72253). [Beedassy]