14240321 has 2 divisors, whose sum is σ = 14240322. Its totient is φ = 14240320.

The previous prime is 14240311. The next prime is 14240327. The reversal of 14240321 is 12304241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14025025 + 215296 = 3745^2 + 464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14240321 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14240321.

It is not a weakly prime, because it can be changed into another prime (14240327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7120160 + 7120161.

It is an arithmetic number, because the mean of its divisors is an integer number (7120161).

Almost surely, 2^14240321 is an apocalyptic number.

It is an amenable number.

14240321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14240321 is an equidigital number, since it uses as much as digits as its factorization.

14240321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 14240321 is about 3773.6349849979. The cubic root of 14240321 is about 242.3854760892.

Adding to 14240321 its reverse (12304241), we get a palindrome (26544562).

The spelling of 14240321 in words is "fourteen million, two hundred forty thousand, three hundred twenty-one".