266751713 has 2 divisors, whose sum is σ = 266751714. Its totient is φ = 266751712.

The previous prime is 266751691. The next prime is 266751721. The reversal of 266751713 is 317157662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255616144 + 11135569 = 15988^2 + 3337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266751713 is a prime.

It is a super-3 number, since 3×266751713³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (266751733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133375856 + 133375857.

It is an arithmetic number, because the mean of its divisors is an integer number (133375857).

Almost surely, 2^266751713 is an apocalyptic number.

It is an amenable number.

266751713 is a deficient number, since it is larger than the sum of its proper divisors (1).

266751713 is an equidigital number, since it uses as much as digits as its factorization.

266751713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 266751713 is about 16332.5354124827. The cubic root of 266751713 is about 643.7280085742.

The spelling of 266751713 in words is "two hundred sixty-six million, seven hundred fifty-one thousand, seven hundred thirteen".