28536049 has 2 divisors, whose sum is σ = 28536050. Its totient is φ = 28536048.

The previous prime is 28536019. The next prime is 28536059. The reversal of 28536049 is 94063582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28515600 + 20449 = 5340^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 28536049 - 2¹¹ = 28534001 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28535999 and 28536017.

It is not a weakly prime, because it can be changed into another prime (28536019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14268024 + 14268025.

It is an arithmetic number, because the mean of its divisors is an integer number (14268025).

Almost surely, 2^28536049 is an apocalyptic number.

It is an amenable number.

28536049 is a deficient number, since it is larger than the sum of its proper divisors (1).

28536049 is an equidigital number, since it uses as much as digits as its factorization.

28536049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 28536049 is about 5341.9143572319. The cubic root of 28536049 is about 305.5844709508.

The spelling of 28536049 in words is "twenty-eight million, five hundred thirty-six thousand, forty-nine".