2255097161 has 2 divisors, whose sum is σ = 2255097162. Its totient is φ = 2255097160.

The previous prime is 2255097121. The next prime is 2255097179. The reversal of 2255097161 is 1617905522.

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., 2034010000 + 221087161 = 45100^2 + 14869^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255097161 - 2¹⁸ = 2254835017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2255097121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127548580 + 1127548581.

It is an arithmetic number, because the mean of its divisors is an integer number (1127548581).

Almost surely, 2^2255097161 is an apocalyptic number.

It is an amenable number.

2255097161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255097161 is an equidigital number, since it uses as much as digits as its factorization.

2255097161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 2255097161 is about 47487.8633021112. The cubic root of 2255097161 is about 1311.3594575601.

The spelling of 2255097161 in words is "two billion, two hundred fifty-five million, ninety-seven thousand, one hundred sixty-one".