888161 has 2 divisors, whose sum is σ = 888162. Its totient is φ = 888160.

The previous prime is 888157. The next prime is 888163. The reversal of 888161 is 161888.

It is a happy number.

888161 is digitally balanced in base 2, 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., 490000 + 398161 = 700^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 888161 - 2² = 888157 is a prime.

It is a Sophie Germain prime.

Together with 888163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (888163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444080 + 444081.

It is an arithmetic number, because the mean of its divisors is an integer number (444081).

2⁸⁸⁸¹⁶¹ is an apocalyptic number.

It is an amenable number.

888161 is a deficient number, since it is larger than the sum of its proper divisors (1).

888161 is an equidigital number, since it uses as much as digits as its factorization.

888161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 32.

The square root of 888161 is about 942.4229411469. The cubic root of 888161 is about 96.1237192509.

The spelling of 888161 in words is "eight hundred eighty-eight thousand, one hundred sixty-one".