93318289 has 2 divisors, whose sum is σ = 93318290. Its totient is φ = 93318288.

The previous prime is 93318257. The next prime is 93318293. The reversal of 93318289 is 98281339.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79067664 + 14250625 = 8892^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 93318289 - 2⁵ = 93318257 is a prime.

It is not a weakly prime, because it can be changed into another prime (93318209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46659144 + 46659145.

It is an arithmetic number, because the mean of its divisors is an integer number (46659145).

Almost surely, 2^93318289 is an apocalyptic number.

It is an amenable number.

93318289 is a deficient number, since it is larger than the sum of its proper divisors (1).

93318289 is an equidigital number, since it uses as much as digits as its factorization.

93318289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 43.

The square root of 93318289 is about 9660.1391811920. The cubic root of 93318289 is about 453.5817676040.

The spelling of 93318289 in words is "ninety-three million, three hundred eighteen thousand, two hundred eighty-nine".