2808251 has 2 divisors, whose sum is σ = 2808252. Its totient is φ = 2808250.

The previous prime is 2808241. The next prime is 2808269. The reversal of 2808251 is 1528082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2808251 - 2⁶ = 2808187 is a prime.

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 2808251.

It is not a weakly prime, because it can be changed into another prime (2808241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404125 + 1404126.

It is an arithmetic number, because the mean of its divisors is an integer number (1404126).

2^2808251 is an apocalyptic number.

2808251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2808251 is an equidigital number, since it uses as much as digits as its factorization.

2808251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 2808251 is about 1675.7836972593. The cubic root of 2808251 is about 141.0842847349.

The spelling of 2808251 in words is "two million, eight hundred eight thousand, two hundred fifty-one".