14311621 has 2 divisors, whose sum is σ = 14311622. Its totient is φ = 14311620.

The previous prime is 14311601. The next prime is 14311651. The reversal of 14311621 is 12611341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10962721 + 3348900 = 3311^2 + 1830^2 .

It is a cyclic number.

It is not a de Polignac number, because 14311621 - 2¹⁵ = 14278853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14311601) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7155810 + 7155811.

It is an arithmetic number, because the mean of its divisors is an integer number (7155811).

Almost surely, 2^14311621 is an apocalyptic number.

It is an amenable number.

14311621 is a deficient number, since it is larger than the sum of its proper divisors (1).

14311621 is an equidigital number, since it uses as much as digits as its factorization.

14311621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 14311621 is about 3783.0703139117. The cubic root of 14311621 is about 242.7893368620.

Adding to 14311621 its reverse (12611341), we get a palindrome (26922962).

The spelling of 14311621 in words is "fourteen million, three hundred eleven thousand, six hundred twenty-one".