5172256 has 48 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 2384640.

The previous prime is 5172253. The next prime is 5172259. The reversal of 5172256 is 6522715.

It is an interprime number because it is at equal distance from previous prime (5172253) and next prime (5172259).

It is not an unprimeable number, because it can be changed into a prime (5172253) 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, 28486 + ... + 28666.

It is an arithmetic number, because the mean of its divisors is an integer number (229320).

Almost surely, 2^5172256 is an apocalyptic number.

5172256 is the 1216-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5172256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5503680).

5172256 is an abundant number, since it is smaller than the sum of its proper divisors (5835104).

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

5172256 is a wasteful number, since it uses less digits than its factorization.

5172256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 249 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 5172256 is about 2274.2594399057. The cubic root of 5172256 is about 172.9391568818.

The spelling of 5172256 in words is "five million, one hundred seventy-two thousand, two hundred fifty-six".