263065013 has 16 divisors (see below), whose sum is σ = 285384000. Its totient is φ = 241678080.

The previous prime is 263065009. The next prime is 263065027. The reversal of 263065013 is 310560362.

It is a cyclic number.

It is not a de Polignac number, because 263065013 - 2² = 263065009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263065093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120653 + ... + 122813.

It is an arithmetic number, because the mean of its divisors is an integer number (17836500).

Almost surely, 2^263065013 is an apocalyptic number.

It is an amenable number.

263065013 is a deficient number, since it is larger than the sum of its proper divisors (22318987).

263065013 is a wasteful number, since it uses less digits than its factorization.

263065013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 263065013 is about 16219.2790530282. The cubic root of 263065013 is about 640.7486462205.

The spelling of 263065013 in words is "two hundred sixty-three million, sixty-five thousand, thirteen".