3278081 has 2 divisors, whose sum is σ = 3278082. Its totient is φ = 3278080.

The previous prime is 3278071. The next prime is 3278083. The reversal of 3278081 is 1808723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2835856 + 442225 = 1684^2 + 665^2 .

It is a cyclic number.

It is not a de Polignac number, because 3278081 - 2¹⁸ = 3015937 is a prime.

It is a super-2 number, since 2×3278081² = 21491630085122, which contains 22 as substring.

Together with 3278083, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 3278081 parts by 2560 straight cuts.

It is not a weakly prime, because it can be changed into another prime (3278083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639040 + 1639041.

It is an arithmetic number, because the mean of its divisors is an integer number (1639041).

Almost surely, 2^3278081 is an apocalyptic number.

It is an amenable number.

3278081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3278081 is an equidigital number, since it uses as much as digits as its factorization.

3278081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 3278081 is about 1810.5471548678. The cubic root of 3278081 is about 148.5501952168.

The spelling of 3278081 in words is "three million, two hundred seventy-eight thousand, eighty-one".