2170071 has 20 divisors (see below), whose sum is σ = 3295072. Its totient is φ = 1423008.

The previous prime is 2170061. The next prime is 2170109. The reversal of 2170071 is 1700712.

2170071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2170071 - 2⁵ = 2170039 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 (2170061) 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 19 ways as a sum of consecutive naturals, for example, 5730 + ... + 6096.

2^2170071 is an apocalyptic number.

2170071 is a deficient number, since it is larger than the sum of its proper divisors (1125001).

2170071 is an equidigital number, since it uses as much as digits as its factorization.

2170071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 2170071 is about 1473.1160850388. The cubic root of 2170071 is about 129.4666710093.

Adding to 2170071 its reverse (1700712), we get a palindrome (3870783).

The spelling of 2170071 in words is "two million, one hundred seventy thousand, seventy-one".