2208005897 has 2 divisors, whose sum is σ = 2208005898. Its totient is φ = 2208005896.

The previous prime is 2208005879. The next prime is 2208005909. The reversal of 2208005897 is 7985008022.

It is a happy number.

Together with previous prime (2208005879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1799117056 + 408888841 = 42416^2 + 20221^2 .

It is a cyclic number.

It is not a de Polignac number, because 2208005897 - 2²⁴ = 2191228681 is a prime.

It is not a weakly prime, because it can be changed into another prime (2208005297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104002948 + 1104002949.

It is an arithmetic number, because the mean of its divisors is an integer number (1104002949).

Almost surely, 2^2208005897 is an apocalyptic number.

It is an amenable number.

2208005897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2208005897 is an equidigital number, since it uses as much as digits as its factorization.

2208005897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 2208005897 is about 46989.4232460880. The cubic root of 2208005897 is about 1302.1671735544.

The spelling of 2208005897 in words is "two billion, two hundred eight million, five thousand, eight hundred ninety-seven".