2489543 has 18 divisors (see below), whose sum is σ = 3087576. Its totient is φ = 1997688.

The previous prime is 2489533. The next prime is 2489567. The reversal of 2489543 is 3459842.

It is not a de Polignac number, because 2489543 - 2⁸ = 2489287 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 4⁴ + 8³ + 9² + 5⁹ + 4⁶ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489533) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52946 + ... + 52992.

It is an arithmetic number, because the mean of its divisors is an integer number (171532).

2^2489543 is an apocalyptic number.

2489543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2489543 is a deficient number, since it is larger than the sum of its proper divisors (598033).

2489543 is an equidigital number, since it uses as much as digits as its factorization.

2489543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 77 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 2489543 is about 1577.8285711699. The cubic root of 2489543 is about 135.5313852762.

Subtracting 2489543 from its reverse (3459842), we obtain a cube (970299 = 99³).

The spelling of 2489543 in words is "two million, four hundred eighty-nine thousand, five hundred forty-three".