28911353 has 2 divisors, whose sum is σ = 28911354. Its totient is φ = 28911352.

The previous prime is 28911329. The next prime is 28911359. The reversal of 28911353 is 35311982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28601104 + 310249 = 5348^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 28911353 - 2¹² = 28907257 is a prime.

It is not a weakly prime, because it can be changed into another prime (28911359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14455676 + 14455677.

It is an arithmetic number, because the mean of its divisors is an integer number (14455677).

Almost surely, 2^28911353 is an apocalyptic number.

It is an amenable number.

28911353 is a deficient number, since it is larger than the sum of its proper divisors (1).

28911353 is an equidigital number, since it uses as much as digits as its factorization.

28911353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 28911353 is about 5376.9278403192. The cubic root of 28911353 is about 306.9183151554.

The spelling of 28911353 in words is "twenty-eight million, nine hundred eleven thousand, three hundred fifty-three".