263800073 has 2 divisors, whose sum is σ = 263800074. Its totient is φ = 263800072.

The previous prime is 263800063. The next prime is 263800127. The reversal of 263800073 is 370008362.

263800073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196756729 + 67043344 = 14027^2 + 8188^2 .

It is a cyclic number.

It is not a de Polignac number, because 263800073 - 2⁴ = 263800057 is a prime.

It is not a weakly prime, because it can be changed into another prime (263800063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131900036 + 131900037.

It is an arithmetic number, because the mean of its divisors is an integer number (131900037).

Almost surely, 2^263800073 is an apocalyptic number.

It is an amenable number.

263800073 is a deficient number, since it is larger than the sum of its proper divisors (1).

263800073 is an equidigital number, since it uses as much as digits as its factorization.

263800073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 263800073 is about 16241.9233159131. The cubic root of 263800073 is about 641.3448875490.

The spelling of 263800073 in words is "two hundred sixty-three million, eight hundred thousand, seventy-three".