208465973 has 2 divisors, whose sum is σ = 208465974. Its totient is φ = 208465972.

The previous prime is 208465963. The next prime is 208465981. The reversal of 208465973 is 379564802.

208465973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193154404 + 15311569 = 13898^2 + 3913^2 .

It is a cyclic number.

It is not a de Polignac number, because 208465973 - 2²⁶ = 141357109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208465963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104232986 + 104232987.

It is an arithmetic number, because the mean of its divisors is an integer number (104232987).

Almost surely, 2^208465973 is an apocalyptic number.

It is an amenable number.

208465973 is a deficient number, since it is larger than the sum of its proper divisors (1).

208465973 is an equidigital number, since it uses as much as digits as its factorization.

208465973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 208465973 is about 14438.3507714697. The cubic root of 208465973 is about 592.9413334294.

The spelling of 208465973 in words is "two hundred eight million, four hundred sixty-five thousand, nine hundred seventy-three".