171078241 has 4 divisors (see below), whose sum is σ = 171845632. Its totient is φ = 170310852.

The previous prime is 171078239. The next prime is 171078317. The reversal of 171078241 is 142870171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 171078241 - 2¹ = 171078239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171070241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383361 + ... + 383806.

It is an arithmetic number, because the mean of its divisors is an integer number (42961408).

Almost surely, 2^171078241 is an apocalyptic number.

It is an amenable number.

171078241 is a deficient number, since it is larger than the sum of its proper divisors (767391).

171078241 is an equidigital number, since it uses as much as digits as its factorization.

171078241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767390.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 171078241 is about 13079.6881079023. The cubic root of 171078241 is about 555.1345516913.

The spelling of 171078241 in words is "one hundred seventy-one million, seventy-eight thousand, two hundred forty-one".