805243061 has 8 divisors (see below), whose sum is σ = 920730624. Its totient is φ = 689868720.

The previous prime is 805243039. The next prime is 805243067. The reversal of 805243061 is 160342508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-805243061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805243067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12470 + ... + 42023.

It is an arithmetic number, because the mean of its divisors is an integer number (115091328).

Almost surely, 2^805243061 is an apocalyptic number.

It is an amenable number.

805243061 is a deficient number, since it is larger than the sum of its proper divisors (115487563).

805243061 is a wasteful number, since it uses less digits than its factorization.

805243061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56611.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 805243061 is about 28376.8049822386. The cubic root of 805243061 is about 930.3413634887.

Adding to 805243061 its reverse (160342508), we get a palindrome (965585569).

The spelling of 805243061 in words is "eight hundred five million, two hundred forty-three thousand, sixty-one".