205944041 has 2 divisors, whose sum is σ = 205944042. Its totient is φ = 205944040.

The previous prime is 205944029. The next prime is 205944181. The reversal of 205944041 is 140449502.

205944041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135047641 + 70896400 = 11621^2 + 8420^2 .

It is a cyclic number.

It is not a de Polignac number, because 205944041 - 2⁶ = 205943977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 205943995 and 205944013.

It is not a weakly prime, because it can be changed into another prime (205944241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102972020 + 102972021.

It is an arithmetic number, because the mean of its divisors is an integer number (102972021).

Almost surely, 2^205944041 is an apocalyptic number.

It is an amenable number.

205944041 is a deficient number, since it is larger than the sum of its proper divisors (1).

205944041 is an equidigital number, since it uses as much as digits as its factorization.

205944041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 205944041 is about 14350.7505378639. The cubic root of 205944041 is about 590.5405760875.

The spelling of 205944041 in words is "two hundred five million, nine hundred forty-four thousand, forty-one".