881173 has 2 divisors, whose sum is σ = 881174. Its totient is φ = 881172.

The previous prime is 881171. The next prime is 881191. The reversal of 881173 is 371188.

It is a happy number.

881173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702244 + 178929 = 838^2 + 423^2 .

It is a cyclic number.

It is not a de Polignac number, because 881173 - 2¹ = 881171 is a prime.

Together with 881171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440586 + 440587.

It is an arithmetic number, because the mean of its divisors is an integer number (440587).

2⁸⁸¹¹⁷³ is an apocalyptic number.

It is an amenable number.

881173 is a deficient number, since it is larger than the sum of its proper divisors (1).

881173 is an equidigital number, since it uses as much as digits as its factorization.

881173 is an evil number, because the sum of its binary digits is even.

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

The square root of 881173 is about 938.7081548596. The cubic root of 881173 is about 95.8709565361.

The spelling of 881173 in words is "eight hundred eighty-one thousand, one hundred seventy-three".