5085811 has 4 divisors (see below), whose sum is σ = 5090800. Its totient is φ = 5080824.

The previous prime is 5085809. The next prime is 5085841. The reversal of 5085811 is 1185805.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1185805 = 5 ⋅237161.

It is a cyclic number.

It is not a de Polignac number, because 5085811 - 2¹ = 5085809 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 5085811.

It is not an unprimeable number, because it can be changed into a prime (5085841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351 + ... + 3208.

It is an arithmetic number, because the mean of its divisors is an integer number (1272700).

Almost surely, 2^5085811 is an apocalyptic number.

5085811 is a deficient number, since it is larger than the sum of its proper divisors (4989).

5085811 is a wasteful number, since it uses less digits than its factorization.

5085811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 5085811 is about 2255.1742726450. The cubic root of 5085811 is about 171.9702828595.

The spelling of 5085811 in words is "five million, eighty-five thousand, eight hundred eleven".