5820905 has 4 divisors (see below), whose sum is σ = 6985092. Its totient is φ = 4656720.

The previous prime is 5820887. The next prime is 5820917. The reversal of 5820905 is 5090285.

5820905 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5090285 = 5 ⋅1018057.

It can be written as a sum of positive squares in 2 ways, for example, as 2768896 + 3052009 = 1664^2 + 1747^2 .

It is not a de Polignac number, because 5820905 - 2¹⁰ = 5819881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582086 + ... + 582095.

It is an arithmetic number, because the mean of its divisors is an integer number (1746273).

Almost surely, 2^5820905 is an apocalyptic number.

It is an amenable number.

5820905 is a deficient number, since it is larger than the sum of its proper divisors (1164187).

5820905 is a wasteful number, since it uses less digits than its factorization.

5820905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164186.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 5820905 is about 2412.6551763565. The cubic root of 5820905 is about 179.8857814477.

The spelling of 5820905 in words is "five million, eight hundred twenty thousand, nine hundred five".