6649267 has 2 divisors, whose sum is σ = 6649268. Its totient is φ = 6649266.

The previous prime is 6649249. The next prime is 6649271. The reversal of 6649267 is 7629466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6649267 - 2¹¹ = 6647219 is a prime.

It is not a weakly prime, because it can be changed into another prime (6649367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3324633 + 3324634.

It is an arithmetic number, because the mean of its divisors is an integer number (3324634).

Almost surely, 2^6649267 is an apocalyptic number.

6649267 is a deficient number, since it is larger than the sum of its proper divisors (1).

6649267 is an equidigital number, since it uses as much as digits as its factorization.

6649267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 6649267 is about 2578.6172651249. The cubic root of 6649267 is about 188.0433259885.

The spelling of 6649267 in words is "six million, six hundred forty-nine thousand, two hundred sixty-seven".