170961017 has 4 divisors (see below), whose sum is σ = 171017316. Its totient is φ = 170904720.

The previous prime is 170961013. The next prime is 170961041. The reversal of 170961017 is 710169071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 710169071 = 1277 ⋅556123.

It can be written as a sum of positive squares in 2 ways, for example, as 55591936 + 115369081 = 7456^2 + 10741^2 .

It is a cyclic number.

It is not a de Polignac number, because 170961017 - 2² = 170961013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170961013) 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, 23318 + ... + 29759.

It is an arithmetic number, because the mean of its divisors is an integer number (42754329).

Almost surely, 2^170961017 is an apocalyptic number.

It is an amenable number.

170961017 is a deficient number, since it is larger than the sum of its proper divisors (56299).

170961017 is an equidigital number, since it uses as much as digits as its factorization.

170961017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56298.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 170961017 is about 13075.2061934028. The cubic root of 170961017 is about 555.0077287023.

It can be divided in two parts, 1709 and 61017, that added together give a palindrome (62726).

The spelling of 170961017 in words is "one hundred seventy million, nine hundred sixty-one thousand, seventeen".