2133609 has 8 divisors (see below), whose sum is σ = 2861952. Its totient is φ = 1413840.

The previous prime is 2133601. The next prime is 2133611. The reversal of 2133609 is 9063312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2133609 - 2³ = 2133601 is a prime.

2133609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2133601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537 + ... + 2574.

It is an arithmetic number, because the mean of its divisors is an integer number (357744).

2^2133609 is an apocalyptic number.

It is an amenable number.

2133609 is a deficient number, since it is larger than the sum of its proper divisors (728343).

2133609 is a wasteful number, since it uses less digits than its factorization.

2133609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 2133609 is about 1460.6878516644. The cubic root of 2133609 is about 128.7374625678.

The spelling of 2133609 in words is "two million, one hundred thirty-three thousand, six hundred nine".