204205219 has 2 divisors, whose sum is σ = 204205220. Its totient is φ = 204205218.

The previous prime is 204205193. The next prime is 204205223. The reversal of 204205219 is 912502402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204205219 - 2⁵ = 204205187 is a prime.

It is a super-2 number, since 2×204205219² = 83399542933675922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204205193 and 204205202.

It is not a weakly prime, because it can be changed into another prime (204205619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102102609 + 102102610.

It is an arithmetic number, because the mean of its divisors is an integer number (102102610).

Almost surely, 2^204205219 is an apocalyptic number.

204205219 is a deficient number, since it is larger than the sum of its proper divisors (1).

204205219 is an equidigital number, since it uses as much as digits as its factorization.

204205219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 204205219 is about 14290.0391532004. The cubic root of 204205219 is about 588.8738635869.

The spelling of 204205219 in words is "two hundred four million, two hundred five thousand, two hundred nineteen".