2543375 has 8 divisors (see below), whose sum is σ = 3174288. Its totient is φ = 2034600.

The previous prime is 2543371. The next prime is 2543381. The reversal of 2543375 is 5733452.

It is not a de Polignac number, because 2543375 - 2² = 2543371 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5³ + 4⁸ + 3² + 3⁵ + 7² + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543371) 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 7 ways as a sum of consecutive naturals, for example, 10049 + ... + 10298.

It is an arithmetic number, because the mean of its divisors is an integer number (396786).

2^2543375 is an apocalyptic number.

2543375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2543375 is a deficient number, since it is larger than the sum of its proper divisors (630913).

2543375 is an equidigital number, since it uses as much as digits as its factorization.

2543375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20362 (or 20352 counting only the distinct ones).

The product of its digits is 12600, while the sum is 29.

The square root of 2543375 is about 1594.7962252275. The cubic root of 2543375 is about 136.5013037306.

The spelling of 2543375 in words is "two million, five hundred forty-three thousand, three hundred seventy-five".