263055313 has 2 divisors, whose sum is σ = 263055314. Its totient is φ = 263055312.

The previous prime is 263055283. The next prime is 263055341. The reversal of 263055313 is 313550362.

It is an a-pointer prime, because the next prime (263055341) can be obtained adding 263055313 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159971904 + 103083409 = 12648^2 + 10153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263055313 is a prime.

It is not a weakly prime, because it can be changed into another prime (263055343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131527656 + 131527657.

It is an arithmetic number, because the mean of its divisors is an integer number (131527657).

Almost surely, 2^263055313 is an apocalyptic number.

It is an amenable number.

263055313 is a deficient number, since it is larger than the sum of its proper divisors (1).

263055313 is an equidigital number, since it uses as much as digits as its factorization.

263055313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 263055313 is about 16218.9800234170. The cubic root of 263055313 is about 640.7407706790.

The spelling of 263055313 in words is "two hundred sixty-three million, fifty-five thousand, three hundred thirteen".