263343341 has 2 divisors, whose sum is σ = 263343342. Its totient is φ = 263343340.

The previous prime is 263343337. The next prime is 263343343. The reversal of 263343341 is 143343362.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179694025 + 83649316 = 13405^2 + 9146^2 .

It is a cyclic number.

It is not a de Polignac number, because 263343341 - 2² = 263343337 is a prime.

Together with 263343343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263343343) 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, 131671670 + 131671671.

It is an arithmetic number, because the mean of its divisors is an integer number (131671671).

Almost surely, 2^263343341 is an apocalyptic number.

It is an amenable number.

263343341 is a deficient number, since it is larger than the sum of its proper divisors (1).

263343341 is an equidigital number, since it uses as much as digits as its factorization.

263343341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 29.

The square root of 263343341 is about 16227.8569441562. The cubic root of 263343341 is about 640.9745414963.

The spelling of 263343341 in words is "two hundred sixty-three million, three hundred forty-three thousand, three hundred forty-one".