2871227081 has 2 divisors, whose sum is σ = 2871227082. Its totient is φ = 2871227080.

The previous prime is 2871227077. The next prime is 2871227111. The reversal of 2871227081 is 1807221782.

2871227081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2760556681 + 110670400 = 52541^2 + 10520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2871227081 - 2² = 2871227077 is a prime.

It is a super-2 number, since 2×2871227081² = 16487889901335561122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2871223081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435613540 + 1435613541.

It is an arithmetic number, because the mean of its divisors is an integer number (1435613541).

Almost surely, 2^2871227081 is an apocalyptic number.

It is an amenable number.

2871227081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871227081 is an equidigital number, since it uses as much as digits as its factorization.

2871227081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 2871227081 is about 53583.8322724308. The cubic root of 2871227081 is about 1421.3112072141.

The spelling of 2871227081 in words is "two billion, eight hundred seventy-one million, two hundred twenty-seven thousand, eighty-one".