171055061 has 2 divisors, whose sum is σ = 171055062. Its totient is φ = 171055060.

The previous prime is 171055051. The next prime is 171055067. The reversal of 171055061 is 160550171.

171055061 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., 167702500 + 3352561 = 12950^2 + 1831^2 .

It is a cyclic number.

It is not a de Polignac number, because 171055061 - 2⁶ = 171054997 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 171055061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171055067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85527530 + 85527531.

It is an arithmetic number, because the mean of its divisors is an integer number (85527531).

Almost surely, 2^171055061 is an apocalyptic number.

It is an amenable number.

171055061 is a deficient number, since it is larger than the sum of its proper divisors (1).

171055061 is an equidigital number, since it uses as much as digits as its factorization.

171055061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 171055061 is about 13078.8019711287. The cubic root of 171055061 is about 555.1094781732.

The spelling of 171055061 in words is "one hundred seventy-one million, fifty-five thousand, sixty-one".