171308097 has 12 divisors (see below), whose sum is σ = 247568724. Its totient is φ = 114148320.

The previous prime is 171308051. The next prime is 171308153. The reversal of 171308097 is 790803171.

It can be written as a sum of positive squares in 2 ways, for example, as 39425841 + 131882256 = 6279^2 + 11484^2 .

It is not a de Polignac number, because 171308097 - 2¹⁴ = 171291713 is a prime.

It is a super-2 number, since 2×171308097² = 58692928195522818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (171300097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22423 + ... + 29075.

It is an arithmetic number, because the mean of its divisors is an integer number (20630727).

Almost surely, 2^171308097 is an apocalyptic number.

It is an amenable number.

171308097 is a deficient number, since it is larger than the sum of its proper divisors (76260627).

171308097 is a wasteful number, since it uses less digits than its factorization.

171308097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520 (or 9517 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 171308097 is about 13088.4719123357. The cubic root of 171308097 is about 555.3830615784.

The spelling of 171308097 in words is "one hundred seventy-one million, three hundred eight thousand, ninety-seven".