204163273 has 2 divisors, whose sum is σ = 204163274. Its totient is φ = 204163272.

The previous prime is 204163259. The next prime is 204163301. The reversal of 204163273 is 372361402.

It is an a-pointer prime, because the next prime (204163301) can be obtained adding 204163273 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140849424 + 63313849 = 11868^2 + 7957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204163273 is a prime.

It is not a weakly prime, because it can be changed into another prime (204163243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102081636 + 102081637.

It is an arithmetic number, because the mean of its divisors is an integer number (102081637).

Almost surely, 2^204163273 is an apocalyptic number.

It is an amenable number.

204163273 is a deficient number, since it is larger than the sum of its proper divisors (1).

204163273 is an equidigital number, since it uses as much as digits as its factorization.

204163273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 204163273 is about 14288.5714121461. The cubic root of 204163273 is about 588.8335404345.

The spelling of 204163273 in words is "two hundred four million, one hundred sixty-three thousand, two hundred seventy-three".