268217303 has 2 divisors, whose sum is σ = 268217304. Its totient is φ = 268217302.

The previous prime is 268217293. The next prime is 268217309. The reversal of 268217303 is 303712862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268217303 - 2¹⁰ = 268216279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268217303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268217309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134108651 + 134108652.

It is an arithmetic number, because the mean of its divisors is an integer number (134108652).

Almost surely, 2^268217303 is an apocalyptic number.

268217303 is a deficient number, since it is larger than the sum of its proper divisors (1).

268217303 is an equidigital number, since it uses as much as digits as its factorization.

268217303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 268217303 is about 16377.3411456195. The cubic root of 268217303 is about 644.9047817296.

The spelling of 268217303 in words is "two hundred sixty-eight million, two hundred seventeen thousand, three hundred three".