2165033 has 4 divisors (see below), whose sum is σ = 2331588. Its totient is φ = 1998480.

The previous prime is 2165029. The next prime is 2165039. The reversal of 2165033 is 3305612.

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 597529 + 1567504 = 773^2 + 1252^2 .

It is a cyclic number.

It is not a de Polignac number, because 2165033 - 2² = 2165029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2164996 and 2165014.

It is not an unprimeable number, because it can be changed into a prime (2165039) 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, 83258 + ... + 83283.

It is an arithmetic number, because the mean of its divisors is an integer number (582897).

2^2165033 is an apocalyptic number.

It is an amenable number.

2165033 is a deficient number, since it is larger than the sum of its proper divisors (166555).

2165033 is a wasteful number, since it uses less digits than its factorization.

2165033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166554.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2165033 is about 1471.4051107700. The cubic root of 2165033 is about 129.3664041680.

The spelling of 2165033 in words is "two million, one hundred sixty-five thousand, thirty-three".