2717161 has 4 divisors (see below), whose sum is σ = 2877012. Its totient is φ = 2557312.

The previous prime is 2717159. The next prime is 2717173. The reversal of 2717161 is 1617172.

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 810000 + 1907161 = 900^2 + 1381^2 .

It is a cyclic number.

It is not a de Polignac number, because 2717161 - 2¹ = 2717159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2717131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79900 + ... + 79933.

It is an arithmetic number, because the mean of its divisors is an integer number (719253).

2^2717161 is an apocalyptic number.

It is an amenable number.

2717161 is a deficient number, since it is larger than the sum of its proper divisors (159851).

2717161 is a wasteful number, since it uses less digits than its factorization.

2717161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159850.

The product of its digits is 588, while the sum is 25.

The square root of 2717161 is about 1648.3813272420. The cubic root of 2717161 is about 139.5420581210.

The spelling of 2717161 in words is "two million, seven hundred seventeen thousand, one hundred sixty-one".