4203278081 has 2 divisors, whose sum is σ = 4203278082. Its totient is φ = 4203278080.

The previous prime is 4203277997. The next prime is 4203278113. The reversal of 4203278081 is 1808723024.

4203278081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3849085681 + 354192400 = 62041^2 + 18820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4203278081 is a prime.

It is a super-2 number, since 2×4203278081² = 35335093252430085122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4203278581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101639040 + 2101639041.

It is an arithmetic number, because the mean of its divisors is an integer number (2101639041).

Almost surely, 2^4203278081 is an apocalyptic number.

It is an amenable number.

4203278081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4203278081 is an equidigital number, since it uses as much as digits as its factorization.

4203278081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 4203278081 is about 64832.6929951240. The cubic root of 4203278081 is about 1613.8482947853.

The spelling of 4203278081 in words is "four billion, two hundred three million, two hundred seventy-eight thousand, eighty-one".