206080349 has 2 divisors, whose sum is σ = 206080350. Its totient is φ = 206080348.

The previous prime is 206080339. The next prime is 206080393. The reversal of 206080349 is 943080602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121771225 + 84309124 = 11035^2 + 9182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206080349 is a prime.

It is a super-2 number, since 2×206080349² = 84938220487923602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206080339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103040174 + 103040175.

It is an arithmetic number, because the mean of its divisors is an integer number (103040175).

Almost surely, 2^206080349 is an apocalyptic number.

It is an amenable number.

206080349 is a deficient number, since it is larger than the sum of its proper divisors (1).

206080349 is an equidigital number, since it uses as much as digits as its factorization.

206080349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 206080349 is about 14355.4989115670. The cubic root of 206080349 is about 590.6708342098.

The spelling of 206080349 in words is "two hundred six million, eighty thousand, three hundred forty-nine".