2556355 has 16 divisors (see below), whose sum is σ = 3283200. Its totient is φ = 1905120.

The previous prime is 2556331. The next prime is 2556373. The reversal of 2556355 is 5536552.

It is not a de Polignac number, because 2556355 - 2¹³ = 2548163 is a prime.

It is a super-3 number, since 3×2556355³ = 50116963116733316625, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6556 + ... + 6934.

It is an arithmetic number, because the mean of its divisors is an integer number (205200).

2^2556355 is an apocalyptic number.

2556355 is a deficient number, since it is larger than the sum of its proper divisors (726845).

2556355 is a wasteful number, since it uses less digits than its factorization.

2556355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its digits is 22500, while the sum is 31.

The square root of 2556355 is about 1598.8605317538. The cubic root of 2556355 is about 136.7331192462.

The spelling of 2556355 in words is "two million, five hundred fifty-six thousand, three hundred fifty-five".