5811409 has 8 divisors (see below), whose sum is σ = 6035328. Its totient is φ = 5591760.

The previous prime is 5811401. The next prime is 5811413. The reversal of 5811409 is 9041185.

It is a happy number.

5811409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5811409 - 2³ = 5811401 is a prime.

It is a Duffinian number.

5811409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5811401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854 + ... + 3880.

It is an arithmetic number, because the mean of its divisors is an integer number (754416).

Almost surely, 2^5811409 is an apocalyptic number.

It is an amenable number.

5811409 is a deficient number, since it is larger than the sum of its proper divisors (223919).

5811409 is a wasteful number, since it uses less digits than its factorization.

5811409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 5811409 is about 2410.6864167701. The cubic root of 5811409 is about 179.7879086302.

The spelling of 5811409 in words is "five million, eight hundred eleven thousand, four hundred nine".