2543255 has 16 divisors (see below), whose sum is σ = 3586464. Its totient is φ = 1706880.

The previous prime is 2543249. The next prime is 2543257. The reversal of 2543255 is 5523452.

It is not a de Polignac number, because 2543255 - 2⁴ = 2543239 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 (2543257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064 + ... + 2493.

It is an arithmetic number, because the mean of its divisors is an integer number (224154).

2^2543255 is an apocalyptic number.

2543255 is a deficient number, since it is larger than the sum of its proper divisors (1043209).

2543255 is a wasteful number, since it uses less digits than its factorization.

2543255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586.

The product of its digits is 6000, while the sum is 26.

The square root of 2543255 is about 1594.7586024223. The cubic root of 2543255 is about 136.4991569225.

The spelling of 2543255 in words is "two million, five hundred forty-three thousand, two hundred fifty-five".