205000573 has 2 divisors, whose sum is σ = 205000574. Its totient is φ = 205000572.

The previous prime is 205000567. The next prime is 205000583. The reversal of 205000573 is 375000502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186104164 + 18896409 = 13642^2 + 4347^2 .

It is a cyclic number.

It is not a de Polignac number, because 205000573 - 2²⁵ = 171446141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205000583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102500286 + 102500287.

It is an arithmetic number, because the mean of its divisors is an integer number (102500287).

Almost surely, 2^205000573 is an apocalyptic number.

It is an amenable number.

205000573 is a deficient number, since it is larger than the sum of its proper divisors (1).

205000573 is an equidigital number, since it uses as much as digits as its factorization.

205000573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 205000573 is about 14317.8410732903. The cubic root of 205000573 is about 589.6374033655.

The spelling of 205000573 in words is "two hundred five million, five hundred seventy-three", and thus it is an aban number.