2556548 has 6 divisors (see below), whose sum is σ = 4473966. Its totient is φ = 1278272.

The previous prime is 2556523. The next prime is 2556559. The reversal of 2556548 is 8456552.

It can be written as a sum of positive squares in only one way, i.e., 2502724 + 53824 = 1582^2 + 232^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 319565 + ... + 319572.

It is an arithmetic number, because the mean of its divisors is an integer number (745661).

2^2556548 is an apocalyptic number.

It is an amenable number.

2556548 is a deficient number, since it is larger than the sum of its proper divisors (1917418).

2556548 is a wasteful number, since it uses less digits than its factorization.

2556548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639141 (or 639139 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 2556548 is about 1598.9208860979. The cubic root of 2556548 is about 136.7365601908.

The spelling of 2556548 in words is "two million, five hundred fifty-six thousand, five hundred forty-eight".