5172312 has 32 divisors (see below), whose sum is σ = 13146480. Its totient is φ = 1695360.

The previous prime is 5172289. The next prime is 5172317. The reversal of 5172312 is 2132715.

5172312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×5172312² = 53505622850688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303 + ... + 3230.

Almost surely, 2^5172312 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 5172312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6573240).

5172312 is an abundant number, since it is smaller than the sum of its proper divisors (7974168).

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

5172312 is a wasteful number, since it uses less digits than its factorization.

5172312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603 (or 3599 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 5172312 is about 2274.2717515724. The cubic root of 5172312 is about 172.9397810168.

The spelling of 5172312 in words is "five million, one hundred seventy-two thousand, three hundred twelve".