805338541 has 16 divisors (see below), whose sum is σ = 972639360. Its totient is φ = 651386880.

The previous prime is 805338539. The next prime is 805338577. The reversal of 805338541 is 145833508.

It is not a de Polignac number, because 805338541 - 2¹ = 805338539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 805338541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805338511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22401 + ... + 45961.

It is an arithmetic number, because the mean of its divisors is an integer number (60789960).

Almost surely, 2^805338541 is an apocalyptic number.

It is an amenable number.

805338541 is a deficient number, since it is larger than the sum of its proper divisors (167300819).

805338541 is a wasteful number, since it uses less digits than its factorization.

805338541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23844.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 805338541 is about 28378.4872923135. The cubic root of 805338541 is about 930.3781331247.

The spelling of 805338541 in words is "eight hundred five million, three hundred thirty-eight thousand, five hundred forty-one".