6771551 has 2 divisors, whose sum is σ = 6771552. Its totient is φ = 6771550.

The previous prime is 6771539. The next prime is 6771563. The reversal of 6771551 is 1551776.

It is a balanced prime because it is at equal distance from previous prime (6771539) and next prime (6771563).

It is a cyclic number.

It is not a de Polignac number, because 6771551 - 2⁶ = 6771487 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 (6771571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385775 + 3385776.

It is an arithmetic number, because the mean of its divisors is an integer number (3385776).

Almost surely, 2^6771551 is an apocalyptic number.

6771551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6771551 is an equidigital number, since it uses as much as digits as its factorization.

6771551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7350, while the sum is 32.

The square root of 6771551 is about 2602.2203980447. The cubic root of 6771551 is about 189.1890738744.

The spelling of 6771551 in words is "six million, seven hundred seventy-one thousand, five hundred fifty-one".