2556103 has 8 divisors (see below), whose sum is σ = 2952720. Its totient is φ = 2186880.

The previous prime is 2556101. The next prime is 2556107. The reversal of 2556103 is 3016552.

It is a happy number.

2556103 is nontrivially palindromic in base 9.

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

It is not a de Polignac number, because 2556103 - 2¹ = 2556101 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 (2556101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6648 + ... + 7021.

It is an arithmetic number, because the mean of its divisors is an integer number (369090).

2^2556103 is an apocalyptic number.

2556103 is a deficient number, since it is larger than the sum of its proper divisors (396617).

2556103 is a wasteful number, since it uses less digits than its factorization.

2556103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13697.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2556103 is about 1598.7817236884. The cubic root of 2556103 is about 136.7286261459.

The spelling of 2556103 in words is "two million, five hundred fifty-six thousand, one hundred three".