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6805061 is a prime number
BaseRepresentation
bin11001111101011001000101
3110210201210022
4121331121011
53220230221
6401504525
7111561554
oct31753105
913721708
106805061
11392881a
122342145
131543583
14c91d9b
158e64ab
hex67d645

6805061 has 2 divisors, whose sum is σ = 6805062. Its totient is φ = 6805060.

The previous prime is 6805037. The next prime is 6805063. The reversal of 6805061 is 1605086.

6805061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4264225 + 2540836 = 2065^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 6805061 - 26 = 6804997 is a prime.

It is a Sophie Germain prime.

Together with 6805063, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6805061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6805063) 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, 3402530 + 3402531.

It is an arithmetic number, because the mean of its divisors is an integer number (3402531).

Almost surely, 26805061 is an apocalyptic number.

It is an amenable number.

6805061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6805061 is an equidigital number, since it uses as much as digits as its factorization.

6805061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 6805061 is about 2608.6511840413. The cubic root of 6805061 is about 189.5006370026.

The spelling of 6805061 in words is "six million, eight hundred five thousand, sixty-one".