263001043 has 2 divisors, whose sum is σ = 263001044. Its totient is φ = 263001042.

The previous prime is 263000981. The next prime is 263001083. The reversal of 263001043 is 340100362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263001043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263001043.

It is not a weakly prime, because it can be changed into another prime (263001083) 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, 131500521 + 131500522.

It is an arithmetic number, because the mean of its divisors is an integer number (131500522).

Almost surely, 2^263001043 is an apocalyptic number.

263001043 is a deficient number, since it is larger than the sum of its proper divisors (1).

263001043 is an equidigital number, since it uses as much as digits as its factorization.

263001043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 263001043 is about 16217.3068972626. The cubic root of 263001043 is about 640.6967046703.

The spelling of 263001043 in words is "two hundred sixty-three million, one thousand, forty-three".