28574851 has 2 divisors, whose sum is σ = 28574852. Its totient is φ = 28574850.

The previous prime is 28574837. The next prime is 28574867. The reversal of 28574851 is 15847582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28574851 - 2⁷ = 28574723 is a prime.

It is not a weakly prime, because it can be changed into another prime (28574881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14287425 + 14287426.

It is an arithmetic number, because the mean of its divisors is an integer number (14287426).

Almost surely, 2^28574851 is an apocalyptic number.

28574851 is a deficient number, since it is larger than the sum of its proper divisors (1).

28574851 is an equidigital number, since it uses as much as digits as its factorization.

28574851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 40.

The square root of 28574851 is about 5345.5449675407. The cubic root of 28574851 is about 305.7229147646.

The spelling of 28574851 in words is "twenty-eight million, five hundred seventy-four thousand, eight hundred fifty-one".