805326069 has 4 divisors (see below), whose sum is σ = 1073768096. Its totient is φ = 536884044.

The previous prime is 805326061. The next prime is 805326073. The reversal of 805326069 is 960623508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 805326069 - 2³ = 805326061 is a prime.

It is a super-2 number, since 2×805326069² = 1297100154821985522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805326061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134221009 + ... + 134221014.

It is an arithmetic number, because the mean of its divisors is an integer number (268442024).

Almost surely, 2^805326069 is an apocalyptic number.

It is an amenable number.

805326069 is a deficient number, since it is larger than the sum of its proper divisors (268442027).

805326069 is a wasteful number, since it uses less digits than its factorization.

805326069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268442026.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 805326069 is about 28378.2675475442. The cubic root of 805326069 is about 930.3733302849.

The spelling of 805326069 in words is "eight hundred five million, three hundred twenty-six thousand, sixty-nine".