263312 has 20 divisors (see below), whose sum is σ = 583296. Its totient is φ = 112800.

The previous prime is 263303. The next prime is 263323. The reversal of 263312 is 213362.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064 + ... + 1287.

2²⁶³³¹² is an apocalyptic number.

It is an amenable number.

263312 is an abundant number, since it is smaller than the sum of its proper divisors (319984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263312 is a wasteful number, since it uses less digits than its factorization.

263312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366 (or 2360 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 263312 is about 513.1393572900. The cubic root of 263312 is about 64.0949112614.

Adding to 263312 its reverse (213362), we get a palindrome (476674).

It can be divided in two parts, 263 and 312, that added together give a palindrome (575).

The spelling of 263312 in words is "two hundred sixty-three thousand, three hundred twelve".