263790383 has 2 divisors, whose sum is σ = 263790384. Its totient is φ = 263790382.

The previous prime is 263790341. The next prime is 263790389. The reversal of 263790383 is 383097362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263790383 - 2⁸ = 263790127 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263790383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263790389) 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, 131895191 + 131895192.

It is an arithmetic number, because the mean of its divisors is an integer number (131895192).

Almost surely, 2^263790383 is an apocalyptic number.

263790383 is a deficient number, since it is larger than the sum of its proper divisors (1).

263790383 is an equidigital number, since it uses as much as digits as its factorization.

263790383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 263790383 is about 16241.6250110634. The cubic root of 263790383 is about 641.3370347485.

The spelling of 263790383 in words is "two hundred sixty-three million, seven hundred ninety thousand, three hundred eighty-three".