171711097 has 2 divisors, whose sum is σ = 171711098. Its totient is φ = 171711096.

The previous prime is 171711061. The next prime is 171711107. The reversal of 171711097 is 790117171.

171711097 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., 144504441 + 27206656 = 12021^2 + 5216^2 .

It is an emirp because it is prime and its reverse (790117171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171711097 - 2¹¹ = 171709049 is a prime.

It is not a weakly prime, because it can be changed into another prime (171714097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85855548 + 85855549.

It is an arithmetic number, because the mean of its divisors is an integer number (85855549).

Almost surely, 2^171711097 is an apocalyptic number.

It is an amenable number.

171711097 is a deficient number, since it is larger than the sum of its proper divisors (1).

171711097 is an equidigital number, since it uses as much as digits as its factorization.

171711097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3087, while the sum is 34.

The square root of 171711097 is about 13103.8580959960. The cubic root of 171711097 is about 555.8182309138.

The spelling of 171711097 in words is "one hundred seventy-one million, seven hundred eleven thousand, ninety-seven".