14551 has 2 divisors, whose sum is σ = 14552. Its totient is φ = 14550.

The previous prime is 14549. The next prime is 14557. The reversal of 14551 is 15541.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (15541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14551 - 2¹ = 14549 is a prime.

Together with 14549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7275 + 7276.

It is an arithmetic number, because the mean of its divisors is an integer number (7276).

2¹⁴⁵⁵¹ is an apocalyptic number.

14551 is a deficient number, since it is larger than the sum of its proper divisors (1).

14551 is an equidigital number, since it uses as much as digits as its factorization.

14551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100, while the sum is 16.

The square root of 14551 is about 120.6275258803. The cubic root of 14551 is about 24.4135506565.

Subtracting from 14551 its sum of digits (16), we obtain a triangular number (14535 = T₁₇₀).

Subtracting 14551 from its reverse (15541), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 145 and 51, that added together give a square (196 = 14²).

The spelling of 14551 in words is "fourteen thousand, five hundred fifty-one".