9773161 has 2 divisors, whose sum is σ = 9773162. Its totient is φ = 9773160.

The previous prime is 9773149. The next prime is 9773171. The reversal of 9773161 is 1613779.

It is a happy number.

9773161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5546025 + 4227136 = 2355^2 + 2056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9773161 is a prime.

It is not a weakly prime, because it can be changed into another prime (9773131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4886580 + 4886581.

It is an arithmetic number, because the mean of its divisors is an integer number (4886581).

Almost surely, 2^9773161 is an apocalyptic number.

It is an amenable number.

9773161 is a deficient number, since it is larger than the sum of its proper divisors (1).

9773161 is an equidigital number, since it uses as much as digits as its factorization.

9773161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 34.

The square root of 9773161 is about 3126.2055274726. The cubic root of 9773161 is about 213.8019610803.

The spelling of 9773161 in words is "nine million, seven hundred seventy-three thousand, one hundred sixty-one".