14321551 has 2 divisors, whose sum is σ = 14321552. Its totient is φ = 14321550.

The previous prime is 14321533. The next prime is 14321561. The reversal of 14321551 is 15512341.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14321551 - 2¹³ = 14313359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14321521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7160775 + 7160776.

It is an arithmetic number, because the mean of its divisors is an integer number (7160776).

Almost surely, 2^14321551 is an apocalyptic number.

14321551 is a deficient number, since it is larger than the sum of its proper divisors (1).

14321551 is an equidigital number, since it uses as much as digits as its factorization.

14321551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 22.

The square root of 14321551 is about 3784.3825123790. The cubic root of 14321551 is about 242.8454763386.

Adding to 14321551 its reverse (15512341), we get a palindrome (29833892).

The spelling of 14321551 in words is "fourteen million, three hundred twenty-one thousand, five hundred fifty-one".