2256534 has 24 divisors (see below), whose sum is σ = 5587920. Its totient is φ = 644688.

The previous prime is 2256533. The next prime is 2256539. The reversal of 2256534 is 4356522.

2256534 is a `hidden beast` number, since 2 + 2 + 5 + 653 + 4 = 666.

2256534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2256498 and 2256507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256533) 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 11 ways as a sum of consecutive naturals, for example, 8829 + ... + 9080.

It is an arithmetic number, because the mean of its divisors is an integer number (232830).

2^2256534 is an apocalyptic number.

2256534 is an abundant number, since it is smaller than the sum of its proper divisors (3331386).

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

2256534 is a wasteful number, since it uses less digits than its factorization.

2256534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17924 (or 17921 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2256534 is about 1502.1764210638. The cubic root of 2256534 is about 131.1637910068.

The spelling of 2256534 in words is "two million, two hundred fifty-six thousand, five hundred thirty-four".