885161 has 2 divisors, whose sum is σ = 885162. Its totient is φ = 885160.

The previous prime is 885133. The next prime is 885163. The reversal of 885161 is 161588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547600 + 337561 = 740^2 + 581^2 .

It is a cyclic number.

It is not a de Polignac number, because 885161 - 2⁶ = 885097 is a prime.

Together with 885163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (885163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442580 + 442581.

It is an arithmetic number, because the mean of its divisors is an integer number (442581).

2⁸⁸⁵¹⁶¹ is an apocalyptic number.

It is an amenable number.

885161 is a deficient number, since it is larger than the sum of its proper divisors (1).

885161 is an equidigital number, since it uses as much as digits as its factorization.

885161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 29.

The square root of 885161 is about 940.8299527545. The cubic root of 885161 is about 96.0153693564.

The spelling of 885161 in words is "eight hundred eighty-five thousand, one hundred sixty-one".