2256125 has 8 divisors (see below), whose sum is σ = 2815800. Its totient is φ = 1804800.

The previous prime is 2256119. The next prime is 2256127. The reversal of 2256125 is 5216522.

It can be written as a sum of positive squares in 4 ways, for example, as 121 + 2256004 = 11^2 + 1502^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2256125 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2256125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8900 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (351975).

2^2256125 is an apocalyptic number.

2256125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2256125 is a deficient number, since it is larger than the sum of its proper divisors (559675).

2256125 is an equidigital number, since it uses as much as digits as its factorization.

2256125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18064 (or 18054 counting only the distinct ones).

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

The square root of 2256125 is about 1502.0402790871. The cubic root of 2256125 is about 131.1558659866.

The spelling of 2256125 in words is "two million, two hundred fifty-six thousand, one hundred twenty-five".