3255821081 has 2 divisors, whose sum is σ = 3255821082. Its totient is φ = 3255821080.

The previous prime is 3255821077. The next prime is 3255821099. The reversal of 3255821081 is 1801285523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3142611481 + 113209600 = 56059^2 + 10640^2 .

It is a cyclic number.

It is not a de Polignac number, because 3255821081 - 2² = 3255821077 is a prime.

It is a super-2 number, since 2×3255821081² = 21200741822968017122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3255871081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1627910540 + 1627910541.

It is an arithmetic number, because the mean of its divisors is an integer number (1627910541).

Almost surely, 2^3255821081 is an apocalyptic number.

It is an amenable number.

3255821081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3255821081 is an equidigital number, since it uses as much as digits as its factorization.

3255821081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 3255821081 is about 57059.8026722841. The cubic root of 3255821081 is about 1482.1318621012.

The spelling of 3255821081 in words is "three billion, two hundred fifty-five million, eight hundred twenty-one thousand, eighty-one".