The book is now available! 13789
(another Prime Pages' Curiosity)
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+ The least distinct-digit emirp such that the sum of its digits is a perfect number. [Loungrides]

+ The largest prime number with distinct digits in Spanish alphabetical descending order (Uno, Tres, Siete, Ocho, Nueve). [Rivera]

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

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