2518256 has 20 divisors (see below), whose sum is σ = 5254872. Its totient is φ = 1162176.

The previous prime is 2518237. The next prime is 2518259. The reversal of 2518256 is 6528152.

2518256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2518256² = 12683226563072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2518259) 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 3 ways as a sum of consecutive naturals, for example, 5846 + ... + 6261.

2^2518256 is an apocalyptic number.

2518256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2518256 is an abundant number, since it is smaller than the sum of its proper divisors (2736616).

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

2518256 is a wasteful number, since it uses less digits than its factorization.

2518256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128 (or 12122 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 2518256 is about 1586.9013831993. The cubic root of 2518256 is about 136.0504426494.

It can be divided in two parts, 25 and 18256, that added together give a palindrome (18281).

The spelling of 2518256 in words is "two million, five hundred eighteen thousand, two hundred fifty-six".