2170271 has 4 divisors (see below), whose sum is σ = 2297952. Its totient is φ = 2042592.

The previous prime is 2170261. The next prime is 2170283. The reversal of 2170271 is 1720712.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2170271 - 2¹⁴ = 2153887 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 (2170241) 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, 63815 + ... + 63848.

It is an arithmetic number, because the mean of its divisors is an integer number (574488).

2^2170271 is an apocalyptic number.

2170271 is a deficient number, since it is larger than the sum of its proper divisors (127681).

2170271 is a wasteful number, since it uses less digits than its factorization.

2170271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127680.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 2170271 is about 1473.1839667876. The cubic root of 2170271 is about 129.4706482277.

Adding to 2170271 its reverse (1720712), we get a palindrome (3890983).

It can be divided in two parts, 2170 and 271, that multiplied together give a triangular number (588070 = T₁₀₈₄).

The spelling of 2170271 in words is "two million, one hundred seventy thousand, two hundred seventy-one".