171875089 has 2 divisors, whose sum is σ = 171875090. Its totient is φ = 171875088.

The previous prime is 171875087. The next prime is 171875111. The reversal of 171875089 is 980578171.

171875089 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., 120824064 + 51051025 = 10992^2 + 7145^2 .

It is a cyclic number.

It is not a de Polignac number, because 171875089 - 2¹ = 171875087 is a prime.

Together with 171875087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (171875087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85937544 + 85937545.

It is an arithmetic number, because the mean of its divisors is an integer number (85937545).

Almost surely, 2^171875089 is an apocalyptic number.

It is an amenable number.

171875089 is a deficient number, since it is larger than the sum of its proper divisors (1).

171875089 is an equidigital number, since it uses as much as digits as its factorization.

171875089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 46.

The square root of 171875089 is about 13110.1139964533. The cubic root of 171875089 is about 555.9951186104.

The spelling of 171875089 in words is "one hundred seventy-one million, eight hundred seventy-five thousand, eighty-nine".