2556575 has 18 divisors (see below), whose sum is σ = 3689496. Its totient is φ = 1752240.

The previous prime is 2556569. The next prime is 2556577. The reversal of 2556575 is 5756552.

2556575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2556575 - 2⁴ = 2556559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556577) 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 17 ways as a sum of consecutive naturals, for example, 182 + ... + 2268.

It is an arithmetic number, because the mean of its divisors is an integer number (204972).

2^2556575 is an apocalyptic number.

2556575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2556575 is a deficient number, since it is larger than the sum of its proper divisors (1132921).

2556575 is a wasteful number, since it uses less digits than its factorization.

2556575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2099 counting only the distinct ones).

The product of its digits is 52500, while the sum is 35.

The square root of 2556575 is about 1598.9293292701. The cubic root of 2556575 is about 136.7370415527.

The spelling of 2556575 in words is "two million, five hundred fifty-six thousand, five hundred seventy-five".