2010881 has 2 divisors, whose sum is σ = 2010882. Its totient is φ = 2010880.

The previous prime is 2010733. The next prime is 2010887. The reversal of 2010881 is 1880102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1985281 + 25600 = 1409^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010881 - 2¹⁰ = 2009857 is a prime.

It is a super-2 number, since 2×2010881² = 8087284792322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2010887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005440 + 1005441.

It is an arithmetic number, because the mean of its divisors is an integer number (1005441).

2^2010881 is an apocalyptic number.

It is an amenable number.

2010881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010881 is an equidigital number, since it uses as much as digits as its factorization.

2010881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 2010881 is about 1418.0553585809. The cubic root of 2010881 is about 126.2201785592.

Adding to 2010881 its reverse (1880102), we get a palindrome (3890983).

It can be divided in two parts, 20 and 10881, that added together give a palindrome (10901).

The spelling of 2010881 in words is "two million, ten thousand, eight hundred eighty-one".