2005512 has 16 divisors (see below), whose sum is σ = 5013840. Its totient is φ = 668496.

The previous prime is 2005499. The next prime is 2005519. The reversal of 2005512 is 2155002.

It is a junction number, because it is equal to n+sod(n) for n = 2005491 and 2005500.

It is not an unprimeable number, because it can be changed into a prime (2005519) 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, 41758 + ... + 41805.

It is an arithmetic number, because the mean of its divisors is an integer number (313365).

2^2005512 is an apocalyptic number.

It is an amenable number.

2005512 is an abundant number, since it is smaller than the sum of its proper divisors (3008328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005512 is a wasteful number, since it uses less digits than its factorization.

2005512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83572 (or 83568 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 2005512 is about 1416.1610077954. The cubic root of 2005512 is about 126.1077435683.

The spelling of 2005512 in words is "two million, five thousand, five hundred twelve".