2157183 has 24 divisors (see below), whose sum is σ = 3607968. Its totient is φ = 1216512.

The previous prime is 2157173. The next prime is 2157187. The reversal of 2157183 is 3817512.

It is not a de Polignac number, because 2157183 - 2⁵ = 2157151 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 5³ + 7³ + 1 + 8³ + 3¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5935 + ... + 6287.

It is an arithmetic number, because the mean of its divisors is an integer number (150332).

2^2157183 is an apocalyptic number.

2157183 is a deficient number, since it is larger than the sum of its proper divisors (1450785).

2157183 is a wasteful number, since it uses less digits than its factorization.

2157183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 460 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 2157183 is about 1468.7351701379. The cubic root of 2157183 is about 129.2098621169.

The spelling of 2157183 in words is "two million, one hundred fifty-seven thousand, one hundred eighty-three".