7523

This number is a prime.

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The only prime q of form q=4p+7, consisting of distinct prime digits, with p being also an emirp with distinct digits, (p=1879), of the same form, 4*n+7, (n=468). [Loungrides]

There is only one prime of form (7x+5)/(2x+3). [Loungrides]

The only distinct-digit prime-digit balanced prime (emirp) consisting of all the prime digits. [Loungrides]

The only distinct-digit prime-digit super-prime containing all of the prime digits {2, 3, 5, 7}. [Loungrides]