64553

This number is a prime.

+ The first of three consecutive primes, each containing their own embedded ordinal number (e.g., 64553 is the 6455th prime). Try your luck at guessing the other two primes. [Gallardo]

+ Truncate the rightmost digit and get the number of primes up to 64553. It is the smallest prime with this property. [Bajpai]

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