2543271 has 32 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 1478400.

The previous prime is 2543257. The next prime is 2543279. The reversal of 2543271 is 1723452.

It is not a de Polignac number, because 2543271 - 2⁵ = 2543239 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543279) 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 31 ways as a sum of consecutive naturals, for example, 62011 + ... + 62051.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

2^2543271 is an apocalyptic number.

2543271 is a deficient number, since it is larger than the sum of its proper divisors (1327449).

2543271 is a wasteful number, since it uses less digits than its factorization.

2543271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127.

The product of its digits is 1680, while the sum is 24.

The square root of 2543271 is about 1594.7636188476. The cubic root of 2543271 is about 136.4994431675.

The spelling of 2543271 in words is "two million, five hundred forty-three thousand, two hundred seventy-one".