263872159 has 2 divisors, whose sum is σ = 263872160. Its totient is φ = 263872158.

The previous prime is 263872157. The next prime is 263872183. The reversal of 263872159 is 951278362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263872159 - 2¹ = 263872157 is a prime.

Together with 263872157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263872157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131936079 + 131936080.

It is an arithmetic number, because the mean of its divisors is an integer number (131936080).

Almost surely, 2^263872159 is an apocalyptic number.

263872159 is a deficient number, since it is larger than the sum of its proper divisors (1).

263872159 is an equidigital number, since it uses as much as digits as its factorization.

263872159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 263872159 is about 16244.1422980716. The cubic root of 263872159 is about 641.4033001903.

The spelling of 263872159 in words is "two hundred sixty-three million, eight hundred seventy-two thousand, one hundred fifty-nine".