2005273185 has 16 divisors (see below), whose sum is σ = 3213685824. Its totient is φ = 1067729472.

The previous prime is 2005273181. The next prime is 2005273187. The reversal of 2005273185 is 5813725002.

It is not a de Polignac number, because 2005273185 - 2² = 2005273181 is a prime.

It is a super-2 number, since 2×2005273185² = 8042241092960088450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2005273181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99847 + ... + 118236.

It is an arithmetic number, because the mean of its divisors is an integer number (200855364).

Almost surely, 2^2005273185 is an apocalyptic number.

It is an amenable number.

2005273185 is a deficient number, since it is larger than the sum of its proper divisors (1208412639).

2005273185 is a wasteful number, since it uses less digits than its factorization.

2005273185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218704.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2005273185 is about 44780.2767409939. The cubic root of 2005273185 is about 1261.0273776156.

Adding to 2005273185 its reverse (5813725002), we get a palindrome (7818998187).

The spelling of 2005273185 in words is "two billion, five million, two hundred seventy-three thousand, one hundred eighty-five".