263275273 has 4 divisors (see below), whose sum is σ = 274722048. Its totient is φ = 251828500.

The previous prime is 263275241. The next prime is 263275279. The reversal of 263275273 is 372572362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 263275273 - 2⁵ = 263275241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263275279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5723353 + ... + 5723398.

It is an arithmetic number, because the mean of its divisors is an integer number (68680512).

Almost surely, 2^263275273 is an apocalyptic number.

263275273 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

263275273 is a deficient number, since it is larger than the sum of its proper divisors (11446775).

263275273 is a wasteful number, since it uses less digits than its factorization.

263275273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11446774.

The product of its digits is 105840, while the sum is 37.

The square root of 263275273 is about 16225.7595507884. The cubic root of 263275273 is about 640.9193111716.

The spelling of 263275273 in words is "two hundred sixty-three million, two hundred seventy-five thousand, two hundred seventy-three".