263040937 has 2 divisors, whose sum is σ = 263040938. Its totient is φ = 263040936.

The previous prime is 263040893. The next prime is 263040941. The reversal of 263040937 is 739040362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260531881 + 2509056 = 16141^2 + 1584^2 .

It is a cyclic number.

It is not a de Polignac number, because 263040937 - 2⁷ = 263040809 is a prime.

It is not a weakly prime, because it can be changed into another prime (263040637) 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, 131520468 + 131520469.

It is an arithmetic number, because the mean of its divisors is an integer number (131520469).

Almost surely, 2^263040937 is an apocalyptic number.

It is an amenable number.

263040937 is a deficient number, since it is larger than the sum of its proper divisors (1).

263040937 is an equidigital number, since it uses as much as digits as its factorization.

263040937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 263040937 is about 16218.5368328959. The cubic root of 263040937 is about 640.7290982833.

The spelling of 263040937 in words is "two hundred sixty-three million, forty thousand, nine hundred thirty-seven".