263872183 has 2 divisors, whose sum is σ = 263872184. Its totient is φ = 263872182.

The previous prime is 263872159. The next prime is 263872199. The reversal of 263872183 is 381278362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263872183 is a prime.

It is a super-2 number, since 2×263872183² = 139257057922370978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263872783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131936091 + 131936092.

It is an arithmetic number, because the mean of its divisors is an integer number (131936092).

Almost surely, 2^263872183 is an apocalyptic number.

263872183 is a deficient number, since it is larger than the sum of its proper divisors (1).

263872183 is an equidigital number, since it uses as much as digits as its factorization.

263872183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 263872183 is about 16244.1430367994. The cubic root of 263872183 is about 641.4033196362.

The spelling of 263872183 in words is "two hundred sixty-three million, eight hundred seventy-two thousand, one hundred eighty-three".