5220256 has 24 divisors (see below), whose sum is σ = 10557540. Its totient is φ = 2539008.

The previous prime is 5220251. The next prime is 5220277. The reversal of 5220256 is 6520225.

It can be written as a sum of positive squares in 2 ways, for example, as 5216656 + 3600 = 2284^2 + 60^2 .

It is not an unprimeable number, because it can be changed into a prime (5220251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021 + ... + 3388.

Almost surely, 2^5220256 is an apocalyptic number.

It is an amenable number.

5220256 is an abundant number, since it is smaller than the sum of its proper divisors (5337284).

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

5220256 is a wasteful number, since it uses less digits than its factorization.

5220256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456 (or 4448 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 5220256 is about 2284.7879551503. The cubic root of 5220256 is about 173.4724852347.

It can be divided in two parts, 5220 and 256, that added together give a square (5476 = 74²).

The spelling of 5220256 in words is "five million, two hundred twenty thousand, two hundred fifty-six".