485805611 has 4 divisors (see below), whose sum is σ = 487087800. Its totient is φ = 484523424.

The previous prime is 485805569. The next prime is 485805613. The reversal of 485805611 is 116508584.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485805611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485805613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640526 + ... + 641283.

It is an arithmetic number, because the mean of its divisors is an integer number (121771950).

Almost surely, 2^485805611 is an apocalyptic number.

485805611 is a deficient number, since it is larger than the sum of its proper divisors (1282189).

485805611 is a wasteful number, since it uses less digits than its factorization.

485805611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282188.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 485805611 is about 22040.9984120502. The cubic root of 485805611 is about 786.1175805598.

The spelling of 485805611 in words is "four hundred eighty-five million, eight hundred five thousand, six hundred eleven".