2726081 has 2 divisors, whose sum is σ = 2726082. Its totient is φ = 2726080.

The previous prime is 2726057. The next prime is 2726089. The reversal of 2726081 is 1806272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 36481 = 1640^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2726081 - 2¹⁰ = 2725057 is a prime.

It is a super-2 number, since 2×2726081² = 14863035237122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2726081.

It is not a weakly prime, because it can be changed into another prime (2726089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1363040 + 1363041.

It is an arithmetic number, because the mean of its divisors is an integer number (1363041).

2^2726081 is an apocalyptic number.

It is an amenable number.

2726081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2726081 is an equidigital number, since it uses as much as digits as its factorization.

2726081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2726081 is about 1651.0847949151. The cubic root of 2726081 is about 139.6945893317.

The spelling of 2726081 in words is "two million, seven hundred twenty-six thousand, eighty-one".