28182851 has 2 divisors, whose sum is σ = 28182852. Its totient is φ = 28182850.

The previous prime is 28182839. The next prime is 28182853. The reversal of 28182851 is 15828182.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28182851 is a prime.

Together with 28182853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28182853) 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, 14091425 + 14091426.

It is an arithmetic number, because the mean of its divisors is an integer number (14091426).

Almost surely, 2^28182851 is an apocalyptic number.

28182851 is a deficient number, since it is larger than the sum of its proper divisors (1).

28182851 is an equidigital number, since it uses as much as digits as its factorization.

28182851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10240, while the sum is 35.

The square root of 28182851 is about 5308.7523016242. The cubic root of 28182851 is about 304.3184674777.

The spelling of 28182851 in words is "twenty-eight million, one hundred eighty-two thousand, eight hundred fifty-one".