805268013 has 32 divisors (see below), whose sum is σ = 1250380800. Its totient is φ = 455817600.

The previous prime is 805267999. The next prime is 805268017. The reversal of 805268013 is 310862508.

It is a happy number.

It is not a de Polignac number, because 805268013 - 2⁶ = 805267949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805268017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35473 + ... + 53561.

It is an arithmetic number, because the mean of its divisors is an integer number (39074400).

Almost surely, 2^805268013 is an apocalyptic number.

It is an amenable number.

805268013 is a deficient number, since it is larger than the sum of its proper divisors (445112787).

805268013 is a wasteful number, since it uses less digits than its factorization.

805268013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18193.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 805268013 is about 28377.2446336849. The cubic root of 805268013 is about 930.3509728597.

The spelling of 805268013 in words is "eight hundred five million, two hundred sixty-eight thousand, thirteen".