263382497 has 12 divisors (see below), whose sum is σ = 307296576. Its totient is φ = 225742020.

The previous prime is 263382421. The next prime is 263382529. The reversal of 263382497 is 794283362.

It is not a de Polignac number, because 263382497 - 2²⁰ = 262333921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263382397) 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 in 11 ways as a sum of consecutive naturals, for example, 8972 + ... + 24642.

It is an arithmetic number, because the mean of its divisors is an integer number (25608048).

Almost surely, 2^263382497 is an apocalyptic number.

It is an amenable number.

263382497 is a deficient number, since it is larger than the sum of its proper divisors (43914079).

263382497 is an frugal number, since it uses more digits than its factorization.

263382497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15706 (or 15678 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 263382497 is about 16229.0633432740. The cubic root of 263382497 is about 641.0063083338.

The spelling of 263382497 in words is "two hundred sixty-three million, three hundred eighty-two thousand, four hundred ninety-seven".