263115712 has 14 divisors (see below), whose sum is σ = 522120368. Its totient is φ = 131557824.

The previous prime is 263115709. The next prime is 263115719. The reversal of 263115712 is 217511362.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263115719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055528 + ... + 2055655.

It is an arithmetic number, because the mean of its divisors is an integer number (37294312).

Almost surely, 2^263115712 is an apocalyptic number.

It is an amenable number.

263115712 is a deficient number, since it is larger than the sum of its proper divisors (259004656).

263115712 is an equidigital number, since it uses as much as digits as its factorization.

263115712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111195 (or 4111185 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 263115712 is about 16220.8419017016. The cubic root of 263115712 is about 640.7898061713.

It can be divided in two parts, 26311 and 5712, that added together give a palindrome (32023).

The spelling of 263115712 in words is "two hundred sixty-three million, one hundred fifteen thousand, seven hundred twelve".