263332013 has 16 divisors (see below), whose sum is σ = 304047744. Its totient is φ = 223404480.

The previous prime is 263331983. The next prime is 263332019. The reversal of 263332013 is 310233362.

263332013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 263332013 - 2¹⁴ = 263315629 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 263332013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263332019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388631 + ... + 389307.

It is an arithmetic number, because the mean of its divisors is an integer number (19002984).

Almost surely, 2^263332013 is an apocalyptic number.

It is an amenable number.

263332013 is a deficient number, since it is larger than the sum of its proper divisors (40715731).

263332013 is a wasteful number, since it uses less digits than its factorization.

263332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 263332013 is about 16227.5079109517. The cubic root of 263332013 is about 640.9653506257.

Adding to 263332013 its reverse (310233362), we get a palindrome (573565375).

The spelling of 263332013 in words is "two hundred sixty-three million, three hundred thirty-two thousand, thirteen".