171054005 has 6 divisors (see below), whose sum is σ = 205299906. Its totient is φ = 136819808.

The previous prime is 171053989. The next prime is 171054047. The reversal of 171054005 is 500450171.

It can be written as a sum of positive squares in 3 ways, for example, as 4153444 + 166900561 = 2038^2 + 12919^2 .

It is not a de Polignac number, because 171054005 - 2⁴ = 171053989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 26321 + ... + 32169.

It is an arithmetic number, because the mean of its divisors is an integer number (34216651).

Almost surely, 2^171054005 is an apocalyptic number.

It is an amenable number.

171054005 is a deficient number, since it is larger than the sum of its proper divisors (34245901).

171054005 is an frugal number, since it uses more digits than its factorization.

171054005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11703 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 171054005 is about 13078.7616003963. The cubic root of 171054005 is about 555.1083358571.

The spelling of 171054005 in words is "one hundred seventy-one million, fifty-four thousand, five".