205950343 has 2 divisors, whose sum is σ = 205950344. Its totient is φ = 205950342.

The previous prime is 205950299. The next prime is 205950383. The reversal of 205950343 is 343059502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205950343 - 2⁹ = 205949831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205950383) 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, 102975171 + 102975172.

It is an arithmetic number, because the mean of its divisors is an integer number (102975172).

Almost surely, 2^205950343 is an apocalyptic number.

205950343 is a deficient number, since it is larger than the sum of its proper divisors (1).

205950343 is an equidigital number, since it uses as much as digits as its factorization.

205950343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 205950343 is about 14350.9701065816. The cubic root of 205950343 is about 590.5465996473.

The spelling of 205950343 in words is "two hundred five million, nine hundred fifty thousand, three hundred forty-three".