2273591161 has 2 divisors, whose sum is σ = 2273591162. Its totient is φ = 2273591160.

The previous prime is 2273591143. The next prime is 2273591179. The reversal of 2273591161 is 1611953722.

It is a balanced prime because it is at equal distance from previous prime (2273591143) and next prime (2273591179).

It can be written as a sum of positive squares in only one way, i.e., 1965237561 + 308353600 = 44331^2 + 17560^2 .

It is a cyclic number.

It is not a de Polignac number, because 2273591161 - 2¹⁷ = 2273460089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2273591161.

It is not a weakly prime, because it can be changed into another prime (2273591141) 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, 1136795580 + 1136795581.

It is an arithmetic number, because the mean of its divisors is an integer number (1136795581).

Almost surely, 2^2273591161 is an apocalyptic number.

It is an amenable number.

2273591161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273591161 is an equidigital number, since it uses as much as digits as its factorization.

2273591161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 37.

The square root of 2273591161 is about 47682.1891380838. The cubic root of 2273591161 is about 1314.9345119117.

The spelling of 2273591161 in words is "two billion, two hundred seventy-three million, five hundred ninety-one thousand, one hundred sixty-one".