28241827 has 2 divisors, whose sum is σ = 28241828. Its totient is φ = 28241826.

The previous prime is 28241821. The next prime is 28241831. The reversal of 28241827 is 72814282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28241827 - 2¹¹ = 28239779 is a prime.

It is equal to p_1755547 and since 28241827 and 1755547 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 28241792 and 28241801.

It is not a weakly prime, because it can be changed into another prime (28241821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14120913 + 14120914.

It is an arithmetic number, because the mean of its divisors is an integer number (14120914).

Almost surely, 2^28241827 is an apocalyptic number.

28241827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28241827 is an equidigital number, since it uses as much as digits as its factorization.

28241827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336, while the sum is 34.

The square root of 28241827 is about 5314.3039995845. The cubic root of 28241827 is about 304.5305938920.

The spelling of 28241827 in words is "twenty-eight million, two hundred forty-one thousand, eight hundred twenty-seven".