2010081 has 8 divisors (see below), whose sum is σ = 2718144. Its totient is φ = 1321040.

The previous prime is 2010061. The next prime is 2010083. The reversal of 2010081 is 1800102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2010081 - 2⁶ = 2010017 is a prime.

It is a super-2 number, since 2×2010081² = 8080851253122, which contains 22 as substring.

2010081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2010083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4506 + ... + 4931.

It is an arithmetic number, because the mean of its divisors is an integer number (339768).

2^2010081 is an apocalyptic number.

It is an amenable number.

2010081 is a deficient number, since it is larger than the sum of its proper divisors (708063).

2010081 is an equidigital number, since it uses as much as digits as its factorization.

2010081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9511.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2010081 is about 1417.7732540854. The cubic root of 2010081 is about 126.2034380465.

Adding to 2010081 its reverse (1800102), we get a palindrome (3810183).

It can be divided in two parts, 20 and 10081, that added together give a palindrome (10101).

The spelling of 2010081 in words is "two million, ten thousand, eighty-one".