205000711 has 2 divisors, whose sum is σ = 205000712. Its totient is φ = 205000710.

The previous prime is 205000669. The next prime is 205000727. The reversal of 205000711 is 117000502.

It is an a-pointer prime, because the next prime (205000727) can be obtained adding 205000711 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205000711 - 2⁷ = 205000583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205100711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102500355 + 102500356.

It is an arithmetic number, because the mean of its divisors is an integer number (102500356).

Almost surely, 2^205000711 is an apocalyptic number.

205000711 is a deficient number, since it is larger than the sum of its proper divisors (1).

205000711 is an equidigital number, since it uses as much as digits as its factorization.

205000711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 205000711 is about 14317.8458924518. The cubic root of 205000711 is about 589.6375356740.

The spelling of 205000711 in words is "two hundred five million, seven hundred eleven", and thus it is an aban number.