2556349 has 8 divisors (see below), whose sum is σ = 2630880. Its totient is φ = 2482896.

The previous prime is 2556331. The next prime is 2556373. The reversal of 2556349 is 9436552.

2556349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2556349 - 2⁹ = 2555837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556149) 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 7 ways as a sum of consecutive naturals, for example, 7194 + ... + 7540.

It is an arithmetic number, because the mean of its divisors is an integer number (328860).

2^2556349 is an apocalyptic number.

It is an amenable number.

2556349 is a deficient number, since it is larger than the sum of its proper divisors (74531).

2556349 is a wasteful number, since it uses less digits than its factorization.

2556349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its digits is 32400, while the sum is 34.

The square root of 2556349 is about 1598.8586554164. The cubic root of 2556349 is about 136.7330122710.

The spelling of 2556349 in words is "two million, five hundred fifty-six thousand, three hundred forty-nine".