2005185 has 48 divisors (see below), whose sum is σ = 4005504. Its totient is φ = 838656.

The previous prime is 2005183. The next prime is 2005189. The reversal of 2005185 is 5815002.

It is not a de Polignac number, because 2005185 - 2¹ = 2005183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

2005185 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2005181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17689 + ... + 17801.

It is an arithmetic number, because the mean of its divisors is an integer number (83448).

2^2005185 is an apocalyptic number.

It is an amenable number.

2005185 is a deficient number, since it is larger than the sum of its proper divisors (2000319).

2005185 is a wasteful number, since it uses less digits than its factorization.

2005185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2005185 is about 1416.0455501148. The cubic root of 2005185 is about 126.1008892133.

The spelling of 2005185 in words is "two million, five thousand, one hundred eighty-five".