4542643 has 6 divisors (see below), whose sum is σ = 5284356. Its totient is φ = 3893652.

The previous prime is 4542631. The next prime is 4542697. The reversal of 4542643 is 3462454.

It is not a de Polignac number, because 4542643 - 2⁵ = 4542611 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4542143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46305 + ... + 46402.

It is an arithmetic number, because the mean of its divisors is an integer number (880726).

Almost surely, 2^4542643 is an apocalyptic number.

4542643 is a deficient number, since it is larger than the sum of its proper divisors (741713).

4542643 is an equidigital number, since it uses as much as digits as its factorization.

4542643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92721 (or 92714 counting only the distinct ones).

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

The square root of 4542643 is about 2131.3476957080. The cubic root of 4542643 is about 165.6162203961.

The spelling of 4542643 in words is "four million, five hundred forty-two thousand, six hundred forty-three".