2171033 has 4 divisors (see below), whose sum is σ = 2175588. Its totient is φ = 2166480.

The previous prime is 2171021. The next prime is 2171077. The reversal of 2171033 is 3301712.

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 1373584 + 797449 = 1172^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 2171033 - 2⁴ = 2171017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2171003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1466 + ... + 2547.

It is an arithmetic number, because the mean of its divisors is an integer number (543897).

2^2171033 is an apocalyptic number.

It is an amenable number.

2171033 is a deficient number, since it is larger than the sum of its proper divisors (4555).

2171033 is an equidigital number, since it uses as much as digits as its factorization.

2171033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 2171033 is about 1473.4425675947. The cubic root of 2171033 is about 129.4857991912.

Adding to 2171033 its reverse (3301712), we get a palindrome (5472745).

The spelling of 2171033 in words is "two million, one hundred seventy-one thousand, thirty-three".