6499247 has 2 divisors, whose sum is σ = 6499248. Its totient is φ = 6499246.

The previous prime is 6499217. The next prime is 6499289. The reversal of 6499247 is 7429946.

6499247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6499247 - 2⁶ = 6499183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6499217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3249623 + 3249624.

It is an arithmetic number, because the mean of its divisors is an integer number (3249624).

Almost surely, 2^6499247 is an apocalyptic number.

6499247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6499247 is an equidigital number, since it uses as much as digits as its factorization.

6499247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 6499247 is about 2549.3620770695. The cubic root of 6499247 is about 186.6183509449.

The spelling of 6499247 in words is "six million, four hundred ninety-nine thousand, two hundred forty-seven".