28052093 has 2 divisors, whose sum is σ = 28052094. Its totient is φ = 28052092.

The previous prime is 28052053. The next prime is 28052099. The reversal of 28052093 is 39025082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15077689 + 12974404 = 3883^2 + 3602^2 .

It is a cyclic number.

It is not a de Polignac number, because 28052093 - 2²⁰ = 27003517 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28052099) 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, 14026046 + 14026047.

It is an arithmetic number, because the mean of its divisors is an integer number (14026047).

Almost surely, 2^28052093 is an apocalyptic number.

It is an amenable number.

28052093 is a deficient number, since it is larger than the sum of its proper divisors (1).

28052093 is an equidigital number, since it uses as much as digits as its factorization.

28052093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 28052093 is about 5296.4226606267. The cubic root of 28052093 is about 303.8470960344.

The spelling of 28052093 in words is "twenty-eight million, fifty-two thousand, ninety-three".