5813945 has 4 divisors (see below), whose sum is σ = 6976740. Its totient is φ = 4651152.

The previous prime is 5813903. The next prime is 5813989. The reversal of 5813945 is 5493185.

5813945 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2019241 + 3794704 = 1421^2 + 1948^2 .

It is a cyclic number.

It is not a de Polignac number, because 5813945 - 2¹² = 5809849 is a prime.

It is an unprimeable number.

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, 581390 + ... + 581399.

It is an arithmetic number, because the mean of its divisors is an integer number (1744185).

Almost surely, 2^5813945 is an apocalyptic number.

It is an amenable number.

5813945 is a deficient number, since it is larger than the sum of its proper divisors (1162795).

5813945 is a wasteful number, since it uses less digits than its factorization.

5813945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162794.

The product of its digits is 21600, while the sum is 35.

The square root of 5813945 is about 2411.2123506651. The cubic root of 5813945 is about 179.8140569550.

The spelling of 5813945 in words is "five million, eight hundred thirteen thousand, nine hundred forty-five".