2543075 has 6 divisors (see below), whose sum is σ = 3153444. Its totient is φ = 2034440.

The previous prime is 2543059. The next prime is 2543111. The reversal of 2543075 is 5703452.

It is not a de Polignac number, because 2543075 - 2⁴ = 2543059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 50837 + ... + 50886.

It is an arithmetic number, because the mean of its divisors is an integer number (525574).

2^2543075 is an apocalyptic number.

2543075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2543075 is a deficient number, since it is larger than the sum of its proper divisors (610369).

2543075 is a wasteful number, since it uses less digits than its factorization.

2543075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101733 (or 101728 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 2543075 is about 1594.7021665502. The cubic root of 2543075 is about 136.4959365838.

The spelling of 2543075 in words is "two million, five hundred forty-three thousand, seventy-five".