266465313 has 6 divisors (see below), whose sum is σ = 384894354. Its totient is φ = 177643536.

The previous prime is 266465279. The next prime is 266465323. The reversal of 266465313 is 313564662.

266465313 is a `hidden beast` number, since 2 + 6 + 646 + 5 + 3 + 1 + 3 = 666.

266465313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 230068224 + 36397089 = 15168^2 + 6033^2 .

It is not a de Polignac number, because 266465313 - 2⁶ = 266465249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266465323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14803620 + ... + 14803637.

It is an arithmetic number, because the mean of its divisors is an integer number (64149059).

Almost surely, 2^266465313 is an apocalyptic number.

It is an amenable number.

266465313 is a deficient number, since it is larger than the sum of its proper divisors (118429041).

266465313 is a wasteful number, since it uses less digits than its factorization.

266465313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29607263 (or 29607260 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 266465313 is about 16323.7652825566. The cubic root of 266465313 is about 643.4975449217.

The spelling of 266465313 in words is "two hundred sixty-six million, four hundred sixty-five thousand, three hundred thirteen".