5811612 has 12 divisors (see below), whose sum is σ = 13560456. Its totient is φ = 1937200.

The previous prime is 5811607. The next prime is 5811643. The reversal of 5811612 is 2161185.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent 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, 242139 + ... + 242162.

It is an arithmetic number, because the mean of its divisors is an integer number (1130038).

Almost surely, 2^5811612 is an apocalyptic number.

It is an amenable number.

5811612 is an abundant number, since it is smaller than the sum of its proper divisors (7748844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5811612 is a wasteful number, since it uses less digits than its factorization.

5811612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484308 (or 484306 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

The square root of 5811612 is about 2410.7285205929. The cubic root of 5811612 is about 179.7900020136.

Adding to 5811612 its reverse (2161185), we get a palindrome (7972797).

The spelling of 5811612 in words is "five million, eight hundred eleven thousand, six hundred twelve".