14009641 has 2 divisors, whose sum is σ = 14009642. Its totient is φ = 14009640.

The previous prime is 14009621. The next prime is 14009647. The reversal of 14009641 is 14690041.

14009641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7958041 + 6051600 = 2821^2 + 2460^2 .

It is an emirp because it is prime and its reverse (14690041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14009641 is a prime.

It is equal to p₉₁₀₆₅₄ and since 14009641 and 910654 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (14009647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7004820 + 7004821.

It is an arithmetic number, because the mean of its divisors is an integer number (7004821).

Almost surely, 2^14009641 is an apocalyptic number.

It is an amenable number.

14009641 is a deficient number, since it is larger than the sum of its proper divisors (1).

14009641 is an equidigital number, since it uses as much as digits as its factorization.

14009641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 14009641 is about 3742.9454978666. The cubic root of 14009641 is about 241.0695379647.

Adding to 14009641 its reverse (14690041), we get a palindrome (28699682).

The spelling of 14009641 in words is "fourteen million, nine thousand, six hundred forty-one".