2171133 has 12 divisors (see below), whose sum is σ = 3150108. Its totient is φ = 1440960.

The previous prime is 2171119. The next prime is 2171159. The reversal of 2171133 is 3311712.

It can be written as a sum of positive squares in 2 ways, for example, as 45369 + 2125764 = 213^2 + 1458^2 .

It is not a de Polignac number, because 2171133 - 2⁵ = 2171101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2473 + ... + 3233.

It is an arithmetic number, because the mean of its divisors is an integer number (262509).

2^2171133 is an apocalyptic number.

It is an amenable number.

2171133 is a deficient number, since it is larger than the sum of its proper divisors (978975).

2171133 is a wasteful number, since it uses less digits than its factorization.

2171133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1081 counting only the distinct ones).

The product of its digits is 126, while the sum is 18.

The square root of 2171133 is about 1473.4765013396. The cubic root of 2171133 is about 129.4877872434.

Adding to 2171133 its reverse (3311712), we get a palindrome (5482845).

It can be divided in two parts, 2171 and 133, that added together give a square (2304 = 48²).

The spelling of 2171133 in words is "two million, one hundred seventy-one thousand, one hundred thirty-three".