6793561 has 2 divisors, whose sum is σ = 6793562. Its totient is φ = 6793560.

The previous prime is 6793559. The next prime is 6793573. The reversal of 6793561 is 1653976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6734025 + 59536 = 2595^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 6793561 - 2¹ = 6793559 is a prime.

Together with 6793559, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6793561.

It is not a weakly prime, because it can be changed into another prime (6793531) 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, 3396780 + 3396781.

It is an arithmetic number, because the mean of its divisors is an integer number (3396781).

Almost surely, 2^6793561 is an apocalyptic number.

It is an amenable number.

6793561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6793561 is an equidigital number, since it uses as much as digits as its factorization.

6793561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The square root of 6793561 is about 2606.4460477823. The cubic root of 6793561 is about 189.3938299234.

The spelling of 6793561 in words is "six million, seven hundred ninety-three thousand, five hundred sixty-one".