171673057 has 2 divisors, whose sum is σ = 171673058. Its totient is φ = 171673056.

The previous prime is 171673049. The next prime is 171673097. The reversal of 171673057 is 750376171.

It is a happy number.

171673057 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., 138391696 + 33281361 = 11764^2 + 5769^2 .

It is a cyclic number.

It is not a de Polignac number, because 171673057 - 2³ = 171673049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (171673097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85836528 + 85836529.

It is an arithmetic number, because the mean of its divisors is an integer number (85836529).

Almost surely, 2^171673057 is an apocalyptic number.

It is an amenable number.

171673057 is a deficient number, since it is larger than the sum of its proper divisors (1).

171673057 is an equidigital number, since it uses as much as digits as its factorization.

171673057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 171673057 is about 13102.4065346790. The cubic root of 171673057 is about 555.7771835045. Note that the first 3 decimals are identical.

The spelling of 171673057 in words is "one hundred seventy-one million, six hundred seventy-three thousand, fifty-seven".