65888393 has 2 divisors, whose sum is σ = 65888394. Its totient is φ = 65888392.

The previous prime is 65888387. The next prime is 65888401. The reversal of 65888393 is 39388856.

65888393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65885689 + 2704 = 8117^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 65888393 - 2¹⁶ = 65822857 is a prime.

It is a super-3 number, since 3×65888393³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (65888323) 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, 32944196 + 32944197.

It is an arithmetic number, because the mean of its divisors is an integer number (32944197).

Almost surely, 2^65888393 is an apocalyptic number.

It is an amenable number.

65888393 is a deficient number, since it is larger than the sum of its proper divisors (1).

65888393 is an equidigital number, since it uses as much as digits as its factorization.

65888393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 50.

The square root of 65888393 is about 8117.1665622925. The cubic root of 65888393 is about 403.8960802706.

The spelling of 65888393 in words is "sixty-five million, eight hundred eighty-eight thousand, three hundred ninety-three".