5897

This number is a prime.

+ 5897 is prime. Keller, Buell, and Young found that

5897 * 222619 + 1 is prime, but
5897 * 2n + 1 is composite for 0 < n < 22619.
Yura found that
5897 * 2111491 + 1 is prime.
Note that both 22619 and 111491 are the smaller members of twin prime pairs. [Melo]

+ The prime number 5897 can be written as the sum of the terms (k*k!)^3, for k = 1,2,3. [Sandri]

+ Cotopaxi is the largest active volcano in Equador, reaching a height of 5897 meters. [Robinette]

(There is one curio for this number that has not yet been approved by an editor.)

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