205073273 has 2 divisors, whose sum is σ = 205073274. Its totient is φ = 205073272.

The previous prime is 205073269. The next prime is 205073291. The reversal of 205073273 is 372370502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157076089 + 47997184 = 12533^2 + 6928^2 .

It is a cyclic number.

It is not a de Polignac number, because 205073273 - 2² = 205073269 is a prime.

It is not a weakly prime, because it can be changed into another prime (205070273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102536636 + 102536637.

It is an arithmetic number, because the mean of its divisors is an integer number (102536637).

Almost surely, 2^205073273 is an apocalyptic number.

It is an amenable number.

205073273 is a deficient number, since it is larger than the sum of its proper divisors (1).

205073273 is an equidigital number, since it uses as much as digits as its factorization.

205073273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 205073273 is about 14320.3796388224. The cubic root of 205073273 is about 589.7070967852.

The spelling of 205073273 in words is "two hundred five million, seventy-three thousand, two hundred seventy-three".