263341013 has 16 divisors (see below), whose sum is σ = 289396800. Its totient is φ = 238143360.

The previous prime is 263340983. The next prime is 263341019. The reversal of 263341013 is 310143362.

It is not a de Polignac number, because 263341013 - 2⁸ = 263340757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263341013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263341019) 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, 399278 + ... + 399936.

It is an arithmetic number, because the mean of its divisors is an integer number (18087300).

Almost surely, 2^263341013 is an apocalyptic number.

It is an amenable number.

263341013 is a deficient number, since it is larger than the sum of its proper divisors (26055787).

263341013 is a wasteful number, since it uses less digits than its factorization.

263341013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 263341013 is about 16227.7852154877. The cubic root of 263341013 is about 640.9726527160.

Adding to 263341013 its reverse (310143362), we get a palindrome (573484375).

The spelling of 263341013 in words is "two hundred sixty-three million, three hundred forty-one thousand, thirteen".