28264097 has 2 divisors, whose sum is σ = 28264098. Its totient is φ = 28264096.

The previous prime is 28264091. The next prime is 28264111. The reversal of 28264097 is 79046282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26635921 + 1628176 = 5161^2 + 1276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28264097 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28264097.

It is not a weakly prime, because it can be changed into another prime (28264091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14132048 + 14132049.

It is an arithmetic number, because the mean of its divisors is an integer number (14132049).

Almost surely, 2^28264097 is an apocalyptic number.

It is an amenable number.

28264097 is a deficient number, since it is larger than the sum of its proper divisors (1).

28264097 is an equidigital number, since it uses as much as digits as its factorization.

28264097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 28264097 is about 5316.3988751786. The cubic root of 28264097 is about 304.6106183948.

The spelling of 28264097 in words is "twenty-eight million, two hundred sixty-four thousand, ninety-seven".