2251256 has 24 divisors (see below), whose sum is σ = 4911120. Its totient is φ = 964656.

The previous prime is 2251229. The next prime is 2251279. The reversal of 2251256 is 6521522.

2251256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2480 + ... + 3263.

It is an arithmetic number, because the mean of its divisors is an integer number (204630).

2^2251256 is an apocalyptic number.

It is an amenable number.

2251256 is an abundant number, since it is smaller than the sum of its proper divisors (2659864).

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

2251256 is a wasteful number, since it uses less digits than its factorization.

2251256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763 (or 5752 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 2251256 is about 1500.4186082557. The cubic root of 2251256 is about 131.0614477763.

Adding to 2251256 its reverse (6521522), we get a palindrome (8772778).

The spelling of 2251256 in words is "two million, two hundred fifty-one thousand, two hundred fifty-six".