14621609 has 2 divisors, whose sum is σ = 14621610. Its totient is φ = 14621608.

The previous prime is 14621603. The next prime is 14621617. The reversal of 14621609 is 90612641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7546009 + 7075600 = 2747^2 + 2660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14621609 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14621603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7310804 + 7310805.

It is an arithmetic number, because the mean of its divisors is an integer number (7310805).

Almost surely, 2^14621609 is an apocalyptic number.

It is an amenable number.

14621609 is a deficient number, since it is larger than the sum of its proper divisors (1).

14621609 is an equidigital number, since it uses as much as digits as its factorization.

14621609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 14621609 is about 3823.8212562828. The cubic root of 14621609 is about 244.5297602488.

The spelling of 14621609 in words is "fourteen million, six hundred twenty-one thousand, six hundred nine".