7451

7451 is a prime number.

7451 is the upper prime of a difference of 18 between consecutive primes (A031937). It is also the larger of two consecutive primes whose sum is a square (A118591): 7433 + 7451 = 14884 = 122².

7451 is palindromic in base 7 (A029975): 30503.

7451 can be expressed as the sum of consecutive primes in exactly four ways (A054999).

7451, 7457, and 7459 are primes, but 7453 is not (A049438).

7451 is a prime congruent to 22 mod 23 (A141926).

Source: On-Line Encyclopedia of Integer Sequences