14241421 has 2 divisors, whose sum is σ = 14241422. Its totient is φ = 14241420.

The previous prime is 14241397. The next prime is 14241467. The reversal of 14241421 is 12414241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13213225 + 1028196 = 3635^2 + 1014^2 .

It is a cyclic number.

It is not a de Polignac number, because 14241421 - 2⁹ = 14240909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14241481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7120710 + 7120711.

It is an arithmetic number, because the mean of its divisors is an integer number (7120711).

Almost surely, 2^14241421 is an apocalyptic number.

It is an amenable number.

14241421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14241421 is an equidigital number, since it uses as much as digits as its factorization.

14241421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 256, while the sum is 19.

The square root of 14241421 is about 3773.7807302492. The cubic root of 14241421 is about 242.3917169869.

Adding to 14241421 its reverse (12414241), we get a palindrome (26655662).

The spelling of 14241421 in words is "fourteen million, two hundred forty-one thousand, four hundred twenty-one".