5849

This number is a prime.

π(5849) = (π(5)*π(8)*π(4)*π(9)) * (π(π(5))*π(π(8))*π(π(4))*π(π(9)). Note that 5849 is the earliest multi-digit prime with this property. [Firoozbakht]

The largest prime number whose decimal expansion contains no repeated digits or zeros, where digits cannot be rearranged to form another prime number. [Post]

5849 and the 5849th distinct digit prime (326701) contain the ten digits once each. [Gaydos]