6551047 has 2 divisors, whose sum is σ = 6551048. Its totient is φ = 6551046.

The previous prime is 6551011. The next prime is 6551057. The reversal of 6551047 is 7401556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6551047 - 2⁷ = 6550919 is a prime.

It is a Chen prime.

6551047 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6551057) 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, 3275523 + 3275524.

It is an arithmetic number, because the mean of its divisors is an integer number (3275524).

Almost surely, 2^6551047 is an apocalyptic number.

6551047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6551047 is an equidigital number, since it uses as much as digits as its factorization.

6551047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 6551047 is about 2559.5013186166. The cubic root of 6551047 is about 187.1128319030.

The spelling of 6551047 in words is "six million, five hundred fifty-one thousand, forty-seven".