2030881 has 2 divisors, whose sum is σ = 2030882. Its totient is φ = 2030880.

The previous prime is 2030879. The next prime is 2030909. The reversal of 2030881 is 1880302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 256 = 1425^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030881 - 2¹ = 2030879 is a prime.

It is a super-2 number, since 2×2030881² = 8248955272322, which contains 22 as substring.

Together with 2030879, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₅₁₀₇₈ and since 2030881 and 151078 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2030081) 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 as a sum of consecutive naturals, namely, 1015440 + 1015441.

It is an arithmetic number, because the mean of its divisors is an integer number (1015441).

2^2030881 is an apocalyptic number.

It is an amenable number.

2030881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030881 is an equidigital number, since it uses as much as digits as its factorization.

2030881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2030881 is about 1425.0898217305. The cubic root of 2030881 is about 126.6372561758.

The spelling of 2030881 in words is "two million, thirty thousand, eight hundred eighty-one".