2006322985 has 4 divisors (see below), whose sum is σ = 2407587588. Its totient is φ = 1605058384.

The previous prime is 2006322971. The next prime is 2006323009. The reversal of 2006322985 is 5892236002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 671224464 + 1335098521 = 25908^2 + 36539^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006322985 - 2⁵ = 2006322953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200632294 + ... + 200632303.

It is an arithmetic number, because the mean of its divisors is an integer number (601896897).

Almost surely, 2^2006322985 is an apocalyptic number.

It is an amenable number.

2006322985 is a deficient number, since it is larger than the sum of its proper divisors (401264603).

2006322985 is an equidigital number, since it uses as much as digits as its factorization.

2006322985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401264602.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2006322985 is about 44791.9968856045. The cubic root of 2006322985 is about 1261.2473967800.

Adding to 2006322985 its reverse (5892236002), we get a palindrome (7898558987).

The spelling of 2006322985 in words is "two billion, six million, three hundred twenty-two thousand, nine hundred eighty-five".