7613

7613 = 23 x 331.

7613 is a divisor of 85¹¹ - 1.

7613 is a number of the form 4n² - 3n + 1, for n = 44 (A054552).

7613 is a member of the sequence that results from starting with 1, reversing the digits, and adding 56 to get the next term (A118152).

7613 is a number n such that n² (57957769) contains no digit less than 5 (A175471).

Source: On-Line Encyclopedia of Integer Sequences