28536241 has 2 divisors, whose sum is σ = 28536242. Its totient is φ = 28536240.

The previous prime is 28536223. The next prime is 28536269. The reversal of 28536241 is 14263582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18455616 + 10080625 = 4296^2 + 3175^2 .

It is a cyclic number.

It is not a de Polignac number, because 28536241 - 2⁷ = 28536113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28536281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14268120 + 14268121.

It is an arithmetic number, because the mean of its divisors is an integer number (14268121).

Almost surely, 2^28536241 is an apocalyptic number.

It is an amenable number.

28536241 is a deficient number, since it is larger than the sum of its proper divisors (1).

28536241 is an equidigital number, since it uses as much as digits as its factorization.

28536241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 28536241 is about 5341.9323282872. The cubic root of 28536241 is about 305.5851563071.

The spelling of 28536241 in words is "twenty-eight million, five hundred thirty-six thousand, two hundred forty-one".