14242321 has 2 divisors, whose sum is σ = 14242322. Its totient is φ = 14242320.

The previous prime is 14242309. The next prime is 14242337. The reversal of 14242321 is 12324241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13242321 + 1000000 = 3639^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 14242321 - 2⁹ = 14241809 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (14242121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7121160 + 7121161.

It is an arithmetic number, because the mean of its divisors is an integer number (7121161).

Almost surely, 2^14242321 is an apocalyptic number.

It is an amenable number.

14242321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14242321 is an equidigital number, since it uses as much as digits as its factorization.

14242321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 19.

The square root of 14242321 is about 3773.8999721773. The cubic root of 14242321 is about 242.3968229369.

Adding to 14242321 its reverse (12324241), we get a palindrome (26566562).

The spelling of 14242321 in words is "fourteen million, two hundred forty-two thousand, three hundred twenty-one".