208480273 has 2 divisors, whose sum is σ = 208480274. Its totient is φ = 208480272.

The previous prime is 208480253. The next prime is 208480291. The reversal of 208480273 is 372084802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186267904 + 22212369 = 13648^2 + 4713^2 .

It is a cyclic number.

It is not a de Polignac number, because 208480273 - 2⁵ = 208480241 is a prime.

It is not a weakly prime, because it can be changed into another prime (208480253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104240136 + 104240137.

It is an arithmetic number, because the mean of its divisors is an integer number (104240137).

Almost surely, 2^208480273 is an apocalyptic number.

It is an amenable number.

208480273 is a deficient number, since it is larger than the sum of its proper divisors (1).

208480273 is an equidigital number, since it uses as much as digits as its factorization.

208480273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 208480273 is about 14438.8459718912. The cubic root of 208480273 is about 592.9548909852.

The spelling of 208480273 in words is "two hundred eight million, four hundred eighty thousand, two hundred seventy-three".