2492543 has 4 divisors (see below), whose sum is σ = 2504568. Its totient is φ = 2480520.

The previous prime is 2492527. The next prime is 2492549. The reversal of 2492543 is 3452942.

2492543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3452942 = 2 ⋅1726471.

It is a cyclic number.

It is not a de Polignac number, because 2492543 - 2⁴ = 2492527 is a prime.

It is a d-powerful number, because it can be written as 2³ + 4⁴ + 9⁴ + 2⁷ + 5⁹ + 4⁵ + 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 (2492549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5696 + ... + 6117.

It is an arithmetic number, because the mean of its divisors is an integer number (626142).

2^2492543 is an apocalyptic number.

2492543 is a deficient number, since it is larger than the sum of its proper divisors (12025).

2492543 is a wasteful number, since it uses less digits than its factorization.

2492543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12024.

The product of its digits is 8640, while the sum is 29.

The square root of 2492543 is about 1578.7789585626. The cubic root of 2492543 is about 135.5858036901.

The spelling of 2492543 in words is "two million, four hundred ninety-two thousand, five hundred forty-three".