14342021 has 2 divisors, whose sum is σ = 14342022. Its totient is φ = 14342020.

The previous prime is 14341997. The next prime is 14342047. The reversal of 14342021 is 12024341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9672100 + 4669921 = 3110^2 + 2161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14342021 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14342921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7171010 + 7171011.

It is an arithmetic number, because the mean of its divisors is an integer number (7171011).

Almost surely, 2^14342021 is an apocalyptic number.

It is an amenable number.

14342021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14342021 is an equidigital number, since it uses as much as digits as its factorization.

14342021 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 14342021 is about 3787.0860829931. The cubic root of 14342021 is about 242.9611221087.

Adding to 14342021 its reverse (12024341), we get a palindrome (26366362).

The spelling of 14342021 in words is "fourteen million, three hundred forty-two thousand, twenty-one".