4642543 has 4 divisors (see below), whose sum is σ = 4649008. Its totient is φ = 4636080.

The previous prime is 4642541. The next prime is 4642549. The reversal of 4642543 is 3452464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4642543 - 2¹ = 4642541 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642541) 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, 1998 + ... + 3643.

It is an arithmetic number, because the mean of its divisors is an integer number (1162252).

Almost surely, 2^4642543 is an apocalyptic number.

4642543 is a deficient number, since it is larger than the sum of its proper divisors (6465).

4642543 is an equidigital number, since it uses as much as digits as its factorization.

4642543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6464.

The product of its digits is 11520, while the sum is 28.

The square root of 4642543 is about 2154.6561210551. The cubic root of 4642543 is about 166.8214832575.

The spelling of 4642543 in words is "four million, six hundred forty-two thousand, five hundred forty-three".