This number is a prime.
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The only idoneal prime (emirp) formed by concatenating n idoneal primes (n=2). [Loungrides]
The only double-digit prime p such that the form x!+p, gives primes for each digit x of the six successive single digits 3, 4, 5, 6, 7, 8. [Loungrides]
The reversal of 37 is the 37th odd number, and this is the only pair of emirps (p, q), such that q is the pth odd number. [Loungrides]