6455047 has 2 divisors, whose sum is σ = 6455048. Its totient is φ = 6455046.

The previous prime is 6455017. The next prime is 6455063. The reversal of 6455047 is 7405546.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6455047 - 2¹⁹ = 5930759 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6455017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227523 + 3227524.

It is an arithmetic number, because the mean of its divisors is an integer number (3227524).

Almost surely, 2^6455047 is an apocalyptic number.

6455047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6455047 is an equidigital number, since it uses as much as digits as its factorization.

6455047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 6455047 is about 2540.6784526972. The cubic root of 6455047 is about 186.1943376749.

The spelling of 6455047 in words is "six million, four hundred fifty-five thousand, forty-seven".