805101 has 16 divisors (see below), whose sum is σ = 1210368. Its totient is φ = 471600.

The previous prime is 805099. The next prime is 805109. The reversal of 805101 is 101508.

It is a happy number.

805101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 805101 - 2¹ = 805099 is a prime.

805101 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805101.

It is not an unprimeable number, because it can be changed into a prime (805109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630 + ... + 1416.

It is an arithmetic number, because the mean of its divisors is an integer number (75648).

2⁸⁰⁵¹⁰¹ is an apocalyptic number.

It is an amenable number.

805101 is a deficient number, since it is larger than the sum of its proper divisors (405267).

805101 is a wasteful number, since it uses less digits than its factorization.

805101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 805101 is about 897.2742055804. The cubic root of 805101 is about 93.0286649989.

Adding to 805101 its reverse (101508), we get a palindrome (906609).

The spelling of 805101 in words is "eight hundred five thousand, one hundred one".