170541271 has 2 divisors, whose sum is σ = 170541272. Its totient is φ = 170541270.

The previous prime is 170541269. The next prime is 170541307. The reversal of 170541271 is 172145071.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 170541271 - 2¹ = 170541269 is a prime.

It is a super-3 number, since 3×170541271³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 170541269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170541221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85270635 + 85270636.

It is an arithmetic number, because the mean of its divisors is an integer number (85270636).

Almost surely, 2^170541271 is an apocalyptic number.

170541271 is a deficient number, since it is larger than the sum of its proper divisors (1).

170541271 is an equidigital number, since it uses as much as digits as its factorization.

170541271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 170541271 is about 13059.1451098454. The cubic root of 170541271 is about 554.5531354152.

The spelling of 170541271 in words is "one hundred seventy million, five hundred forty-one thousand, two hundred seventy-one".