5091312 has 40 divisors (see below), whose sum is σ = 13341904. Its totient is φ = 1672704.

The previous prime is 5091301. The next prime is 5091323. The reversal of 5091312 is 2131905.

It is an interprime number because it is at equal distance from previous prime (5091301) and next prime (5091323).

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, 2778 + ... + 4230.

Almost surely, 2^5091312 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 5091312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6670952).

5091312 is an abundant number, since it is smaller than the sum of its proper divisors (8250592).

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

5091312 is a wasteful number, since it uses less digits than its factorization.

5091312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 5091312 is about 2256.3935826890. The cubic root of 5091312 is about 172.0322636430.

The spelling of 5091312 in words is "five million, ninety-one thousand, three hundred twelve".