205830269 has 2 divisors, whose sum is σ = 205830270. Its totient is φ = 205830268.

The previous prime is 205830253. The next prime is 205830301. The reversal of 205830269 is 962038502.

205830269 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., 200364025 + 5466244 = 14155^2 + 2338^2 .

It is a cyclic number.

It is not a de Polignac number, because 205830269 - 2⁴ = 205830253 is a prime.

It is a super-2 number, since 2×205830269² = 84732199273224722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205830769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102915134 + 102915135.

It is an arithmetic number, because the mean of its divisors is an integer number (102915135).

Almost surely, 2^205830269 is an apocalyptic number.

It is an amenable number.

205830269 is a deficient number, since it is larger than the sum of its proper divisors (1).

205830269 is an equidigital number, since it uses as much as digits as its factorization.

205830269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 205830269 is about 14346.7860163871. The cubic root of 205830269 is about 590.4318097155.

The spelling of 205830269 in words is "two hundred five million, eight hundred thirty thousand, two hundred sixty-nine".