263265056 has 12 divisors (see below), whose sum is σ = 518303142. Its totient is φ = 131632512.

The previous prime is 263265029. The next prime is 263265097. The reversal of 263265056 is 650562362.

It can be written as a sum of positive squares in only one way, i.e., 221533456 + 41731600 = 14884^2 + 6460^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4113485 + ... + 4113548.

Almost surely, 2^263265056 is an apocalyptic number.

It is an amenable number.

263265056 is a deficient number, since it is larger than the sum of its proper divisors (255038086).

263265056 is an equidigital number, since it uses as much as digits as its factorization.

263265056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227043 (or 8227035 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 263265056 is about 16225.4447088516. Note that the first 3 decimals coincide. The cubic root of 263265056 is about 640.9110202837.

The spelling of 263265056 in words is "two hundred sixty-three million, two hundred sixty-five thousand, fifty-six".