171084481 has 4 divisors (see below), whose sum is σ = 181148292. Its totient is φ = 161020672.

The previous prime is 171084469. The next prime is 171084499. The reversal of 171084481 is 184480171.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 159794881 + 11289600 = 12641^2 + 3360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171084481 is a prime.

It is a super-2 number, since 2×171084481² = 58539799278078722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171084421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5031880 + ... + 5031913.

It is an arithmetic number, because the mean of its divisors is an integer number (45287073).

Almost surely, 2^171084481 is an apocalyptic number.

It is an amenable number.

171084481 is a deficient number, since it is larger than the sum of its proper divisors (10063811).

171084481 is a wasteful number, since it uses less digits than its factorization.

171084481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10063810.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 171084481 is about 13079.9266435252. The cubic root of 171084481 is about 555.1413010349.

The spelling of 171084481 in words is "one hundred seventy-one million, eighty-four thousand, four hundred eighty-one".