5811005 has 8 divisors (see below), whose sum is σ = 7012824. Its totient is φ = 4622400.

The previous prime is 5810993. The next prime is 5811007. The reversal of 5811005 is 5001185.

5811005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 103684 + 5707321 = 322^2 + 2389^2 .

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

It is not a de Polignac number, because 5811005 - 2⁴ = 5810989 is a prime.

It is a super-2 number, since 2×5811005² = 67535558220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5811007) 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 7 ways as a sum of consecutive naturals, for example, 2306 + ... + 4115.

It is an arithmetic number, because the mean of its divisors is an integer number (876603).

Almost surely, 2^5811005 is an apocalyptic number.

It is an amenable number.

5811005 is a deficient number, since it is larger than the sum of its proper divisors (1201819).

5811005 is a wasteful number, since it uses less digits than its factorization.

5811005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6607.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 5811005 is about 2410.6026217525. The cubic root of 5811005 is about 179.7837423429.

The spelling of 5811005 in words is "five million, eight hundred eleven thousand, five".