5731312 has 40 divisors (see below), whose sum is σ = 12387600. Its totient is φ = 2552832.

The previous prime is 5731309. The next prime is 5731339. The reversal of 5731312 is 2131375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4614 + ... + 5722.

It is an arithmetic number, because the mean of its divisors is an integer number (309690).

Almost surely, 2^5731312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5731312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6193800).

5731312 is an abundant number, since it is smaller than the sum of its proper divisors (6656288).

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

5731312 is a wasteful number, since it uses less digits than its factorization.

5731312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1147 counting only the distinct ones).

The product of its digits is 630, while the sum is 22.

The square root of 5731312 is about 2394.0158729633. The cubic root of 5731312 is about 178.9580959513.

Adding to 5731312 its reverse (2131375), we get a palindrome (7862687).

The spelling of 5731312 in words is "five million, seven hundred thirty-one thousand, three hundred twelve".