28364113 has 2 divisors, whose sum is σ = 28364114. Its totient is φ = 28364112.

The previous prime is 28364099. The next prime is 28364153. The reversal of 28364113 is 31146382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17918289 + 10445824 = 4233^2 + 3232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28364113 is a prime.

It is not a weakly prime, because it can be changed into another prime (28364153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14182056 + 14182057.

It is an arithmetic number, because the mean of its divisors is an integer number (14182057).

Almost surely, 2^28364113 is an apocalyptic number.

It is an amenable number.

28364113 is a deficient number, since it is larger than the sum of its proper divisors (1).

28364113 is an equidigital number, since it uses as much as digits as its factorization.

28364113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 28364113 is about 5325.7969356708. The cubic root of 28364113 is about 304.9694961879.

The spelling of 28364113 in words is "twenty-eight million, three hundred sixty-four thousand, one hundred thirteen".