268207903 has 2 divisors, whose sum is σ = 268207904. Its totient is φ = 268207902.

The previous prime is 268207883. The next prime is 268207949. The reversal of 268207903 is 309702862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268207903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268207993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134103951 + 134103952.

It is an arithmetic number, because the mean of its divisors is an integer number (134103952).

Almost surely, 2^268207903 is an apocalyptic number.

268207903 is a deficient number, since it is larger than the sum of its proper divisors (1).

268207903 is an equidigital number, since it uses as much as digits as its factorization.

268207903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 268207903 is about 16377.0541612342. The cubic root of 268207903 is about 644.8972478187.

The spelling of 268207903 in words is "two hundred sixty-eight million, two hundred seven thousand, nine hundred three".