2543049 has 16 divisors (see below), whose sum is σ = 3810240. Its totient is φ = 1676160.

The previous prime is 2543033. The next prime is 2543059. The reversal of 2543049 is 9403452.

It is not a de Polignac number, because 2543049 - 2⁴ = 2543033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 4³ + 3³ + 0 + 4⁸ + 9 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2134 + ... + 3104.

It is an arithmetic number, because the mean of its divisors is an integer number (238140).

2^2543049 is an apocalyptic number.

It is an amenable number.

2543049 is a deficient number, since it is larger than the sum of its proper divisors (1267191).

2543049 is an equidigital number, since it uses as much as digits as its factorization.

2543049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2543049 is about 1594.6940145370. The cubic root of 2543049 is about 136.4954714112.

The spelling of 2543049 in words is "two million, five hundred forty-three thousand, forty-nine".