263353313 has 2 divisors, whose sum is σ = 263353314. Its totient is φ = 263353312.

The previous prime is 263353303. The next prime is 263353327. The reversal of 263353313 is 313353362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263347984 + 5329 = 16228^2 + 73^2 .

It is a cyclic number.

It is not a de Polignac number, because 263353313 - 2⁶ = 263353249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (263353303) 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, 131676656 + 131676657.

It is an arithmetic number, because the mean of its divisors is an integer number (131676657).

Almost surely, 2^263353313 is an apocalyptic number.

It is an amenable number.

263353313 is a deficient number, since it is larger than the sum of its proper divisors (1).

263353313 is an equidigital number, since it uses as much as digits as its factorization.

263353313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 29.

The square root of 263353313 is about 16228.1641906902. The cubic root of 263353313 is about 640.9826319704.

The spelling of 263353313 in words is "two hundred sixty-three million, three hundred fifty-three thousand, three hundred thirteen".