28062049 has 2 divisors, whose sum is σ = 28062050. Its totient is φ = 28062048.

The previous prime is 28062017. The next prime is 28062077. The reversal of 28062049 is 94026082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26780625 + 1281424 = 5175^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 28062049 - 2⁵ = 28062017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28062049.

It is not a weakly prime, because it can be changed into another prime (28062649) 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, 14031024 + 14031025.

It is an arithmetic number, because the mean of its divisors is an integer number (14031025).

Almost surely, 2^28062049 is an apocalyptic number.

It is an amenable number.

28062049 is a deficient number, since it is larger than the sum of its proper divisors (1).

28062049 is an equidigital number, since it uses as much as digits as its factorization.

28062049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 28062049 is about 5297.3624569214. The cubic root of 28062049 is about 303.8830380214.

The spelling of 28062049 in words is "twenty-eight million, sixty-two thousand, forty-nine".