28593073 has 2 divisors, whose sum is σ = 28593074. Its totient is φ = 28593072.

The previous prime is 28593041. The next prime is 28593091. The reversal of 28593073 is 37039582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27804529 + 788544 = 5273^2 + 888^2 .

It is a cyclic number.

It is not a de Polignac number, because 28593073 - 2⁵ = 28593041 is a prime.

It is not a weakly prime, because it can be changed into another prime (28593013) 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, 14296536 + 14296537.

It is an arithmetic number, because the mean of its divisors is an integer number (14296537).

Almost surely, 2^28593073 is an apocalyptic number.

It is an amenable number.

28593073 is a deficient number, since it is larger than the sum of its proper divisors (1).

28593073 is an equidigital number, since it uses as much as digits as its factorization.

28593073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 28593073 is about 5347.2491058487. The cubic root of 28593073 is about 305.7878868059.

The spelling of 28593073 in words is "twenty-eight million, five hundred ninety-three thousand, seventy-three".