2549056 has 14 divisors (see below), whose sum is σ = 5058410. Its totient is φ = 1274496.

The previous prime is 2549051. The next prime is 2549069. The reversal of 2549056 is 6509452.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 40000 = 1584^2 + 200^2 .

It is a super-2 number, since 2×2549056² = 12995372982272, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19851 + ... + 19978.

It is an arithmetic number, because the mean of its divisors is an integer number (361315).

2^2549056 is an apocalyptic number.

It is an amenable number.

2549056 is a deficient number, since it is larger than the sum of its proper divisors (2509354).

2549056 is an equidigital number, since it uses as much as digits as its factorization.

2549056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39841 (or 39831 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2549056 is about 1596.5763370412. The cubic root of 2549056 is about 136.6028600290.

The spelling of 2549056 in words is "two million, five hundred forty-nine thousand, fifty-six".