268707503 has 2 divisors, whose sum is σ = 268707504. Its totient is φ = 268707502.

The previous prime is 268707493. The next prime is 268707521. The reversal of 268707503 is 305707862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268707503 - 2⁸ = 268707247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268700503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134353751 + 134353752.

It is an arithmetic number, because the mean of its divisors is an integer number (134353752).

Almost surely, 2^268707503 is an apocalyptic number.

268707503 is a deficient number, since it is larger than the sum of its proper divisors (1).

268707503 is an equidigital number, since it uses as much as digits as its factorization.

268707503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 268707503 is about 16392.3001131629. The cubic root of 268707503 is about 645.2974234739.

The spelling of 268707503 in words is "two hundred sixty-eight million, seven hundred seven thousand, five hundred three".