288065893 has 2 divisors, whose sum is σ = 288065894. Its totient is φ = 288065892.

The previous prime is 288065891. The next prime is 288065909. The reversal of 288065893 is 398560882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286523329 + 1542564 = 16927^2 + 1242^2 .

It is a cyclic number.

It is not a de Polignac number, because 288065893 - 2¹ = 288065891 is a prime.

Together with 288065891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288065891) 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, 144032946 + 144032947.

It is an arithmetic number, because the mean of its divisors is an integer number (144032947).

Almost surely, 2^288065893 is an apocalyptic number.

It is an amenable number.

288065893 is a deficient number, since it is larger than the sum of its proper divisors (1).

288065893 is an equidigital number, since it uses as much as digits as its factorization.

288065893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 288065893 is about 16972.5040285752. The cubic root of 288065893 is about 660.4358102653.

The spelling of 288065893 in words is "two hundred eighty-eight million, sixty-five thousand, eight hundred ninety-three".