268247503 has 2 divisors, whose sum is σ = 268247504. Its totient is φ = 268247502.

The previous prime is 268247501. The next prime is 268247527. The reversal of 268247503 is 305742862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268247503 - 2¹ = 268247501 is a prime.

Together with 268247501, 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 (268247501) 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, 134123751 + 134123752.

It is an arithmetic number, because the mean of its divisors is an integer number (134123752).

Almost surely, 2^268247503 is an apocalyptic number.

268247503 is a deficient number, since it is larger than the sum of its proper divisors (1).

268247503 is an equidigital number, since it uses as much as digits as its factorization.

268247503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 268247503 is about 16378.2631252523. The cubic root of 268247503 is about 644.9289852308.

The spelling of 268247503 in words is "two hundred sixty-eight million, two hundred forty-seven thousand, five hundred three".