4320542 has 8 divisors (see below), whose sum is σ = 6540600. Its totient is φ = 2140344.

The previous prime is 4320529. The next prime is 4320559. The reversal of 4320542 is 2450234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 4 + 3¹⁰ + 2¹⁶ + 0 + 5⁴ + 4⁵ + 2²² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9692 + ... + 10127.

It is an arithmetic number, because the mean of its divisors is an integer number (817575).

Almost surely, 2^4320542 is an apocalyptic number.

4320542 is a deficient number, since it is larger than the sum of its proper divisors (2220058).

4320542 is a wasteful number, since it uses less digits than its factorization.

4320542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19930.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4320542 is about 2078.5913499291. The cubic root of 4320542 is about 162.8718678884.

Adding to 4320542 its reverse (2450234), we get a palindrome (6770776).

The spelling of 4320542 in words is "four million, three hundred twenty thousand, five hundred forty-two".