2165132 has 6 divisors (see below), whose sum is σ = 3788988. Its totient is φ = 1082564.

The previous prime is 2165131. The next prime is 2165143. The reversal of 2165132 is 2315612.

It is not an unprimeable number, because it can be changed into a prime (2165131) 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 as a sum of consecutive naturals, namely, 270638 + ... + 270645.

It is an arithmetic number, because the mean of its divisors is an integer number (631498).

2^2165132 is an apocalyptic number.

It is an amenable number.

2165132 is a deficient number, since it is larger than the sum of its proper divisors (1623856).

2165132 is a wasteful number, since it uses less digits than its factorization.

2165132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541287 (or 541285 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 2165132 is about 1471.4387516985. The cubic root of 2165132 is about 129.3683759746.

The spelling of 2165132 in words is "two million, one hundred sixty-five thousand, one hundred thirty-two".