4942543 has 4 divisors (see below), whose sum is σ = 4948128. Its totient is φ = 4936960.

The previous prime is 4942541. The next prime is 4942573. The reversal of 4942543 is 3452494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4942543 - 2¹ = 4942541 is a prime.

It is a d-powerful number, because it can be written as 4² + 9⁴ + 4⁵ + 2¹⁷ + 5⁷ + 4¹¹ + 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 (4942541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138 + ... + 3343.

It is an arithmetic number, because the mean of its divisors is an integer number (1237032).

Almost surely, 2^4942543 is an apocalyptic number.

4942543 is a deficient number, since it is larger than the sum of its proper divisors (5585).

4942543 is a wasteful number, since it uses less digits than its factorization.

4942543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584.

The product of its digits is 17280, while the sum is 31.

The square root of 4942543 is about 2223.1830783811. The cubic root of 4942543 is about 170.3400689821.

The spelling of 4942543 in words is "four million, nine hundred forty-two thousand, five hundred forty-three".