264681353 has 2 divisors, whose sum is σ = 264681354. Its totient is φ = 264681352.

The previous prime is 264681349. The next prime is 264681367. The reversal of 264681353 is 353186462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170746489 + 93934864 = 13067^2 + 9692^2 .

It is a cyclic number.

It is not a de Polignac number, because 264681353 - 2² = 264681349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (264681323) 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, 132340676 + 132340677.

It is an arithmetic number, because the mean of its divisors is an integer number (132340677).

Almost surely, 2^264681353 is an apocalyptic number.

It is an amenable number.

264681353 is a deficient number, since it is larger than the sum of its proper divisors (1).

264681353 is an equidigital number, since it uses as much as digits as its factorization.

264681353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 264681353 is about 16269.0304874015. The cubic root of 264681353 is about 642.0582765265.

The spelling of 264681353 in words is "two hundred sixty-four million, six hundred eighty-one thousand, three hundred fifty-three".