205040683 has 2 divisors, whose sum is σ = 205040684. Its totient is φ = 205040682.

The previous prime is 205040669. The next prime is 205040747. The reversal of 205040683 is 386040502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205040683 - 2⁵ = 205040651 is a prime.

It is not a weakly prime, because it can be changed into another prime (205040083) 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, 102520341 + 102520342.

It is an arithmetic number, because the mean of its divisors is an integer number (102520342).

Almost surely, 2^205040683 is an apocalyptic number.

205040683 is a deficient number, since it is larger than the sum of its proper divisors (1).

205040683 is an equidigital number, since it uses as much as digits as its factorization.

205040683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 205040683 is about 14319.2417047831. The cubic root of 205040683 is about 589.6758566140.

The spelling of 205040683 in words is "two hundred five million, forty thousand, six hundred eighty-three".