28802593 has 2 divisors, whose sum is σ = 28802594. Its totient is φ = 28802592.

The previous prime is 28802591. The next prime is 28802617. The reversal of 28802593 is 39520882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24770529 + 4032064 = 4977^2 + 2008^2 .

It is a cyclic number.

It is not a de Polignac number, because 28802593 - 2¹ = 28802591 is a prime.

Together with 28802591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28802591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14401296 + 14401297.

It is an arithmetic number, because the mean of its divisors is an integer number (14401297).

Almost surely, 2^28802593 is an apocalyptic number.

It is an amenable number.

28802593 is a deficient number, since it is larger than the sum of its proper divisors (1).

28802593 is an equidigital number, since it uses as much as digits as its factorization.

28802593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 28802593 is about 5366.8047290730. The cubic root of 28802593 is about 306.5329719423.

The spelling of 28802593 in words is "twenty-eight million, eight hundred two thousand, five hundred ninety-three".