2804251 has 2 divisors, whose sum is σ = 2804252. Its totient is φ = 2804250.

The previous prime is 2804239. The next prime is 2804257. The reversal of 2804251 is 1524082.

2804251 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 is a cyclic number.

It is not a de Polignac number, because 2804251 - 2²¹ = 707099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2804257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402125 + 1402126.

It is an arithmetic number, because the mean of its divisors is an integer number (1402126).

2^2804251 is an apocalyptic number.

2804251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2804251 is an equidigital number, since it uses as much as digits as its factorization.

2804251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2804251 is about 1674.5898005183. The cubic root of 2804251 is about 141.0172673050.

The spelling of 2804251 in words is "two million, eight hundred four thousand, two hundred fifty-one".