2182605 has 16 divisors (see below), whose sum is σ = 3513024. Its totient is φ = 1157120.

The previous prime is 2182603. The next prime is 2182619. The reversal of 2182605 is 5062812.

2182605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2182605 - 2¹ = 2182603 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3085 + ... + 3725.

It is an arithmetic number, because the mean of its divisors is an integer number (219564).

2^2182605 is an apocalyptic number.

It is an amenable number.

2182605 is a deficient number, since it is larger than the sum of its proper divisors (1330419).

2182605 is a wasteful number, since it uses less digits than its factorization.

2182605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2182605 is about 1477.3642069578. The cubic root of 2182605 is about 129.7154525802.

The spelling of 2182605 in words is "two million, one hundred eighty-two thousand, six hundred five".