2556232 has 24 divisors (see below), whose sum is σ = 5576310. Its totient is φ = 1095360.

The previous prime is 2556217. The next prime is 2556233. The reversal of 2556232 is 2326552.

It can be written as a sum of positive squares in only one way, i.e., 1623076 + 933156 = 1274^2 + 966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2556197 and 2556206.

It is not an unprimeable number, because it can be changed into a prime (2556233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2869 + ... + 3652.

2^2556232 is an apocalyptic number.

It is an amenable number.

2556232 is an abundant number, since it is smaller than the sum of its proper divisors (3020078).

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

2556232 is a wasteful number, since it uses less digits than its factorization.

2556232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541 (or 6530 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 2556232 is about 1598.8220663976. The cubic root of 2556232 is about 136.7309262222.

The spelling of 2556232 in words is "two million, five hundred fifty-six thousand, two hundred thirty-two".