205286082097 has 2 divisors, whose sum is σ = 205286082098. Its totient is φ = 205286082096.

The previous prime is 205286082083. The next prime is 205286082109. The reversal of 205286082097 is 790280682502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186023140416 + 19262941681 = 431304^2 + 138791^2 .

It is a cyclic number.

It is not a de Polignac number, because 205286082097 - 2³¹ = 203138598449 is a prime.

It is a super-3 number, since 3×205286082097³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 205286082097.

It is not a weakly prime, because it can be changed into another prime (205286082007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102643041048 + 102643041049.

It is an arithmetic number, because the mean of its divisors is an integer number (102643041049).

Almost surely, 2^205286082097 is an apocalyptic number.

It is an amenable number.

205286082097 is a deficient number, since it is larger than the sum of its proper divisors (1).

205286082097 is an equidigital number, since it uses as much as digits as its factorization.

205286082097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 205286082097 in words is "two hundred five billion, two hundred eighty-six million, eighty-two thousand, ninety-seven".