5109312 has 112 divisors (see below), whose sum is σ = 15361920. Its totient is φ = 1486848.

The previous prime is 5109311. The next prime is 5109317. The reversal of 5109312 is 2139015.

It is a super-2 number, since 2×5109312² = 52210138226688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5109311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57364 + ... + 57452.

It is an arithmetic number, because the mean of its divisors is an integer number (137160).

Almost surely, 2^5109312 is an apocalyptic number.

5109312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5109312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7680960).

5109312 is an abundant number, since it is smaller than the sum of its proper divisors (10252608).

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

5109312 is a wasteful number, since it uses less digits than its factorization.

5109312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 130 counting only the distinct ones).

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

The square root of 5109312 is about 2260.3787293283. The cubic root of 5109312 is about 172.2347614565.

The spelling of 5109312 in words is "five million, one hundred nine thousand, three hundred twelve".