2543575 has 12 divisors (see below), whose sum is σ = 3200688. Its totient is φ = 2004800.

The previous prime is 2543573. The next prime is 2543609. The reversal of 2543575 is 5753452.

It is not a de Polignac number, because 2543575 - 2¹ = 2543573 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 (2543573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1059 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (266724).

2^2543575 is an apocalyptic number.

2543575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2543575 is a deficient number, since it is larger than the sum of its proper divisors (657113).

2543575 is a wasteful number, since it uses less digits than its factorization.

2543575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1509 counting only the distinct ones).

The product of its digits is 21000, while the sum is 31.

The square root of 2543575 is about 1594.8589279306. The cubic root of 2543575 is about 136.5048815940.

The spelling of 2543575 in words is "two million, five hundred forty-three thousand, five hundred seventy-five".