5985813 has 4 divisors (see below), whose sum is σ = 7981088. Its totient is φ = 3990540.

The previous prime is 5985809. The next prime is 5985827. The reversal of 5985813 is 3185895.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5985813 - 2² = 5985809 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5985013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997633 + ... + 997638.

It is an arithmetic number, because the mean of its divisors is an integer number (1995272).

Almost surely, 2^5985813 is an apocalyptic number.

It is an amenable number.

5985813 is a deficient number, since it is larger than the sum of its proper divisors (1995275).

5985813 is a wasteful number, since it uses less digits than its factorization.

5985813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995274.

The product of its digits is 43200, while the sum is 39.

The square root of 5985813 is about 2446.5921196636. The cubic root of 5985813 is about 181.5687268659.

The spelling of 5985813 in words is "five million, nine hundred eighty-five thousand, eight hundred thirteen".