80471161 has 2 divisors, whose sum is σ = 80471162. Its totient is φ = 80471160.

The previous prime is 80471129. The next prime is 80471173. The reversal of 80471161 is 16117408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66928761 + 13542400 = 8181^2 + 3680^2 .

It is a cyclic number.

It is not a de Polignac number, because 80471161 - 2⁵ = 80471129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80474161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40235580 + 40235581.

It is an arithmetic number, because the mean of its divisors is an integer number (40235581).

Almost surely, 2^80471161 is an apocalyptic number.

It is an amenable number.

80471161 is a deficient number, since it is larger than the sum of its proper divisors (1).

80471161 is an equidigital number, since it uses as much as digits as its factorization.

80471161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 80471161 is about 8970.5719438618. The cubic root of 80471161 is about 431.7311874325.

Adding to 80471161 its reverse (16117408), we get a palindrome (96588569).

The spelling of 80471161 in words is "eighty million, four hundred seventy-one thousand, one hundred sixty-one".