2063881 has 2 divisors, whose sum is σ = 2063882. Its totient is φ = 2063880.

The previous prime is 2063863. The next prime is 2063903. The reversal of 2063881 is 1883602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478656 + 585225 = 1216^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 2063881 - 2¹³ = 2055689 is a prime.

It is a super-2 number, since 2×2063881² = 8519209564322, which contains 22 as substring.

It is a Chen prime.

2063881 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2063861) 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, 1031940 + 1031941.

It is an arithmetic number, because the mean of its divisors is an integer number (1031941).

2^2063881 is an apocalyptic number.

It is an amenable number.

2063881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2063881 is an equidigital number, since it uses as much as digits as its factorization.

2063881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2063881 is about 1436.6213836638. The cubic root of 2063881 is about 127.3194882443.

The spelling of 2063881 in words is "two million, sixty-three thousand, eight hundred eighty-one".