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 multidigit prime with this property. [Firoozbakht]

The largest zeroless distinct-digit prime whose anagrams are all composite. [Post]

The largest prime that can be represented as product of two double-digit reversal numbers plus 1, i.e., 68*86+1=5849. [Loungrides]

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