2543492 has 36 divisors (see below), whose sum is σ = 5458320. Its totient is φ = 1031184.

The previous prime is 2543479. The next prime is 2543507. The reversal of 2543492 is 2943452.

2543492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

Its product of digits (8640) is a multiple of the sum of its prime factors (720).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3383 + ... + 4065.

It is an arithmetic number, because the mean of its divisors is an integer number (151620).

2^2543492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2543492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2729160).

2543492 is an abundant number, since it is smaller than the sum of its proper divisors (2914828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543492 is a wasteful number, since it uses less digits than its factorization.

2543492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 711 counting only the distinct ones).

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

The square root of 2543492 is about 1594.8329066081. The cubic root of 2543492 is about 136.5033968035.

The spelling of 2543492 in words is "two million, five hundred forty-three thousand, four hundred ninety-two".