2004263081 has 2 divisors, whose sum is σ = 2004263082. Its totient is φ = 2004263080.

The previous prime is 2004263077. The next prime is 2004263087. The reversal of 2004263081 is 1803624002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1838265625 + 165997456 = 42875^2 + 12884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004263081 - 2² = 2004263077 is a prime.

It is a super-2 number, since 2×2004263081² = 8034140995719225122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2004263081.

It is not a weakly prime, because it can be changed into another prime (2004263087) 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 as a sum of consecutive naturals, namely, 1002131540 + 1002131541.

It is an arithmetic number, because the mean of its divisors is an integer number (1002131541).

Almost surely, 2^2004263081 is an apocalyptic number.

It is an amenable number.

2004263081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004263081 is an equidigital number, since it uses as much as digits as its factorization.

2004263081 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 26.

The square root of 2004263081 is about 44768.9968728360. The cubic root of 2004263081 is about 1260.8156055167.

Adding to 2004263081 its reverse (1803624002), we get a palindrome (3807887083).

The spelling of 2004263081 in words is "two billion, four million, two hundred sixty-three thousand, eighty-one".