808541 has 4 divisors (see below), whose sum is σ = 825792. Its totient is φ = 791292.

The previous prime is 808523. The next prime is 808553. The reversal of 808541 is 145808.

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 a de Polignac number, because none of the positive numbers 2^k-808541 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 808541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808441) 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, 8555 + ... + 8648.

It is an arithmetic number, because the mean of its divisors is an integer number (206448).

2⁸⁰⁸⁵⁴¹ is an apocalyptic number.

It is an amenable number.

808541 is a deficient number, since it is larger than the sum of its proper divisors (17251).

808541 is a wasteful number, since it uses less digits than its factorization.

808541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17250.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 808541 is about 899.1890791152. The cubic root of 808541 is about 93.1609729948.

The spelling of 808541 in words is "eight hundred eight thousand, five hundred forty-one".