2001085395 has 32 divisors (see below), whose sum is σ = 3281983488. Its totient is φ = 1040665728.

The previous prime is 2001085369. The next prime is 2001085397. The reversal of 2001085395 is 5935801002.

It is not a de Polignac number, because 2001085395 - 2⁵ = 2001085363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001085397) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 190162 + ... + 200408.

It is an arithmetic number, because the mean of its divisors is an integer number (102561984).

Almost surely, 2^2001085395 is an apocalyptic number.

2001085395 is a deficient number, since it is larger than the sum of its proper divisors (1280898093).

2001085395 is a wasteful number, since it uses less digits than its factorization.

2001085395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 2001085395 is about 44733.4929890345. The cubic root of 2001085395 is about 1260.1489273450.

Adding to 2001085395 its reverse (5935801002), we get a palindrome (7936886397).

The spelling of 2001085395 in words is "two billion, one million, eighty-five thousand, three hundred ninety-five".