805461 has 4 divisors (see below), whose sum is σ = 1073952. Its totient is φ = 536972.

The previous prime is 805451. The next prime is 805463. The reversal of 805461 is 164508.

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 cyclic number.

It is not a de Polignac number, because 805461 - 2⁶ = 805397 is a prime.

It is a D-number.

It is a Curzon number.

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 805461.

It is not an unprimeable number, because it can be changed into a prime (805463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134241 + ... + 134246.

It is an arithmetic number, because the mean of its divisors is an integer number (268488).

2⁸⁰⁵⁴⁶¹ is an apocalyptic number.

It is an amenable number.

805461 is a deficient number, since it is larger than the sum of its proper divisors (268491).

805461 is a wasteful number, since it uses less digits than its factorization.

805461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268490.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 805461 is about 897.4747907323. The cubic root of 805461 is about 93.0425288201.

Adding to 805461 its reverse (164508), we get a palindrome (969969).

The spelling of 805461 in words is "eight hundred five thousand, four hundred sixty-one".