205063 has 2 divisors, whose sum is σ = 205064. Its totient is φ = 205062.

The previous prime is 205043. The next prime is 205069. The reversal of 205063 is 360502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205063 - 2⁵ = 205031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102531 + 102532.

It is an arithmetic number, because the mean of its divisors is an integer number (102532).

2²⁰⁵⁰⁶³ is an apocalyptic number.

205063 is a deficient number, since it is larger than the sum of its proper divisors (1).

205063 is an equidigital number, since it uses as much as digits as its factorization.

205063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 205063 is about 452.8388234240. The cubic root of 205063 is about 58.9697249635.

Adding to 205063 its reverse (360502), we get a palindrome (565565).

The spelling of 205063 in words is "two hundred five thousand, sixty-three".