266463601 has 2 divisors, whose sum is σ = 266463602. Its totient is φ = 266463600.

The previous prime is 266463583. The next prime is 266463607. The reversal of 266463601 is 106364662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264030001 + 2433600 = 16249^2 + 1560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266463601 is a prime.

It is not a weakly prime, because it can be changed into another prime (266463607) 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, 133231800 + 133231801.

It is an arithmetic number, because the mean of its divisors is an integer number (133231801).

Almost surely, 2^266463601 is an apocalyptic number.

266463601 is the 9425-th hex number.

It is an amenable number.

266463601 is a deficient number, since it is larger than the sum of its proper divisors (1).

266463601 is an equidigital number, since it uses as much as digits as its factorization.

266463601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 266463601 is about 16323.7128435905. The cubic root of 266463601 is about 643.4961667935.

The spelling of 266463601 in words is "two hundred sixty-six million, four hundred sixty-three thousand, six hundred one".