6491227 has 2 divisors, whose sum is σ = 6491228. Its totient is φ = 6491226.

The previous prime is 6491213. The next prime is 6491231. The reversal of 6491227 is 7221946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6491227 - 2¹¹ = 6489179 is a prime.

It is not a weakly prime, because it can be changed into another prime (6491207) 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, 3245613 + 3245614.

It is an arithmetic number, because the mean of its divisors is an integer number (3245614).

Almost surely, 2^6491227 is an apocalyptic number.

6491227 is a deficient number, since it is larger than the sum of its proper divisors (1).

6491227 is an equidigital number, since it uses as much as digits as its factorization.

6491227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 6491227 is about 2547.7886490053. The cubic root of 6491227 is about 186.5415576781.

The spelling of 6491227 in words is "six million, four hundred ninety-one thousand, two hundred twenty-seven".