2132873 has 4 divisors (see below), whose sum is σ = 2139540. Its totient is φ = 2126208.

The previous prime is 2132857. The next prime is 2132881. The reversal of 2132873 is 3782312.

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 1106704 + 1026169 = 1052^2 + 1013^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132873 - 2⁴ = 2132857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828 + ... + 3501.

It is an arithmetic number, because the mean of its divisors is an integer number (534885).

2^2132873 is an apocalyptic number.

It is an amenable number.

2132873 is a deficient number, since it is larger than the sum of its proper divisors (6667).

2132873 is an equidigital number, since it uses as much as digits as its factorization.

2132873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666.

The product of its digits is 2016, while the sum is 26.

The square root of 2132873 is about 1460.4358938344. The cubic root of 2132873 is about 128.7226579700.

The spelling of 2132873 in words is "two million, one hundred thirty-two thousand, eight hundred seventy-three".