14650661 has 2 divisors, whose sum is σ = 14650662. Its totient is φ = 14650660.

The previous prime is 14650621. The next prime is 14650663. The reversal of 14650661 is 16605641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9333025 + 5317636 = 3055^2 + 2306^2 .

It is a cyclic number.

It is not a de Polignac number, because 14650661 - 2¹⁰ = 14649637 is a prime.

It is a Sophie Germain prime.

Together with 14650663, it forms a pair of twin primes.

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 (14650663) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7325330 + 7325331.

It is an arithmetic number, because the mean of its divisors is an integer number (7325331).

Almost surely, 2^14650661 is an apocalyptic number.

It is an amenable number.

14650661 is a deficient number, since it is larger than the sum of its proper divisors (1).

14650661 is an equidigital number, since it uses as much as digits as its factorization.

14650661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 14650661 is about 3827.6181889002. The cubic root of 14650661 is about 244.6916069762.

The spelling of 14650661 in words is "fourteen million, six hundred fifty thousand, six hundred sixty-one".