2808241 has 2 divisors, whose sum is σ = 2808242. Its totient is φ = 2808240.

The previous prime is 2808229. The next prime is 2808251. The reversal of 2808241 is 1428082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1960000 + 848241 = 1400^2 + 921^2 .

It is a cyclic number.

It is not a de Polignac number, because 2808241 - 2⁹ = 2807729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2808251) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404120 + 1404121.

It is an arithmetic number, because the mean of its divisors is an integer number (1404121).

2^2808241 is an apocalyptic number.

It is an amenable number.

2808241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2808241 is an equidigital number, since it uses as much as digits as its factorization.

2808241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2808241 is about 1675.7807135780. The cubic root of 2808241 is about 141.0841172707.

The spelling of 2808241 in words is "two million, eight hundred eight thousand, two hundred forty-one".