This number is a prime.
Just showing those entries submitted by 'Loungrides': (Click here to show all)
The smallest emirp that gives other emirps when sandwiched between two n's in two ways (13591, 73597). [Loungrides]
This emirp can be represented as the product of the positive even digits minus the sum of the odd digit, i.e., 2*4*6*8-(1+3+5+7+9). [Loungrides]
The largest emirp that consists of odd digits concatenated in ascending order. [Loungrides]
The only odd-digit emirp that can be represented as product of a double-digit even number and its reversal minus 1, i.e, 60*06-1=359. [Loungrides]