28350097 has 2 divisors, whose sum is σ = 28350098. Its totient is φ = 28350096.

The previous prime is 28350079. The next prime is 28350131. The reversal of 28350097 is 79005382.

Together with previous prime (28350079) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (28350131) can be obtained adding 28350097 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16072081 + 12278016 = 4009^2 + 3504^2 .

It is a cyclic number.

It is not a de Polignac number, because 28350097 - 2¹¹ = 28348049 is a prime.

It is not a weakly prime, because it can be changed into another prime (28350017) 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, 14175048 + 14175049.

It is an arithmetic number, because the mean of its divisors is an integer number (14175049).

Almost surely, 2^28350097 is an apocalyptic number.

It is an amenable number.

28350097 is a deficient number, since it is larger than the sum of its proper divisors (1).

28350097 is an equidigital number, since it uses as much as digits as its factorization.

28350097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 28350097 is about 5324.4809136666. The cubic root of 28350097 is about 304.9192548058.

The spelling of 28350097 in words is "twenty-eight million, three hundred fifty thousand, ninety-seven".