14254421 has 2 divisors, whose sum is σ = 14254422. Its totient is φ = 14254420.

The previous prime is 14254393. The next prime is 14254423. The reversal of 14254421 is 12445241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12780625 + 1473796 = 3575^2 + 1214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14254421 is a prime.

Together with 14254423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14254423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7127210 + 7127211.

It is an arithmetic number, because the mean of its divisors is an integer number (7127211).

Almost surely, 2^14254421 is an apocalyptic number.

It is an amenable number.

14254421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14254421 is an equidigital number, since it uses as much as digits as its factorization.

14254421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280, while the sum is 23.

The square root of 14254421 is about 3775.5027479794. The cubic root of 14254421 is about 242.4654487211.

Adding to 14254421 its reverse (12445241), we get a palindrome (26699662).

The spelling of 14254421 in words is "fourteen million, two hundred fifty-four thousand, four hundred twenty-one".