263316353 has 2 divisors, whose sum is σ = 263316354. Its totient is φ = 263316352.

The previous prime is 263316343. The next prime is 263316409. The reversal of 263316353 is 353613362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193543744 + 69772609 = 13912^2 + 8353^2 .

It is a cyclic number.

It is not a de Polignac number, because 263316353 - 2¹⁶ = 263250817 is a prime.

It is not a weakly prime, because it can be changed into another prime (263316343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131658176 + 131658177.

It is an arithmetic number, because the mean of its divisors is an integer number (131658177).

Almost surely, 2^263316353 is an apocalyptic number.

It is an amenable number.

263316353 is a deficient number, since it is larger than the sum of its proper divisors (1).

263316353 is an equidigital number, since it uses as much as digits as its factorization.

263316353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 32.

The square root of 263316353 is about 16227.0253897626. The cubic root of 263316353 is about 640.9526445919.

The spelling of 263316353 in words is "two hundred sixty-three million, three hundred sixteen thousand, three hundred fifty-three".