2780683 has 2 divisors, whose sum is σ = 2780684. Its totient is φ = 2780682.

The previous prime is 2780671. The next prime is 2780693. The reversal of 2780683 is 3860872.

It is a happy number.

2780683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2780683 - 2¹⁷ = 2649611 is a prime.

It is not a weakly prime, because it can be changed into another prime (2780623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390341 + 1390342.

It is an arithmetic number, because the mean of its divisors is an integer number (1390342).

2^2780683 is an apocalyptic number.

2780683 is a deficient number, since it is larger than the sum of its proper divisors (1).

2780683 is an equidigital number, since it uses as much as digits as its factorization.

2780683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2780683 is about 1667.5380055639. The cubic root of 2780683 is about 140.6211009948.

It can be divided in two parts, 27806 and 83, that added together give a square (27889 = 167²).

The spelling of 2780683 in words is "two million, seven hundred eighty thousand, six hundred eighty-three".