171042997 has 8 divisors (see below), whose sum is σ = 182216160. Its totient is φ = 160086960.

The previous prime is 171042961. The next prime is 171043013. The reversal of 171042997 is 799240171.

171042997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 171042997 - 2²³ = 162654389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171042397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52654 + ... + 55807.

It is an arithmetic number, because the mean of its divisors is an integer number (22777020).

Almost surely, 2^171042997 is an apocalyptic number.

It is an amenable number.

171042997 is a deficient number, since it is larger than the sum of its proper divisors (11173163).

171042997 is a wasteful number, since it uses less digits than its factorization.

171042997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108563.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 171042997 is about 13078.3407586742. The cubic root of 171042997 is about 555.0964277980.

The spelling of 171042997 in words is "one hundred seventy-one million, forty-two thousand, nine hundred ninety-seven".