42459321 has 8 divisors (see below), whose sum is σ = 56657344. Its totient is φ = 28283760.

The previous prime is 42459301. The next prime is 42459323. The reversal of 42459321 is 12395424.

42459321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42459321 - 2⁶ = 42459257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42459323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (7082168).

Almost surely, 2^42459321 is an apocalyptic number.

It is an amenable number.

42459321 is a deficient number, since it is larger than the sum of its proper divisors (14198023).

42459321 is a wasteful number, since it uses less digits than its factorization.

42459321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11231.

The product of its digits is 8640, while the sum is 30.

The square root of 42459321 is about 6516.0817214028. The cubic root of 42459321 is about 348.8652254759.

The spelling of 42459321 in words is "forty-two million, four hundred fifty-nine thousand, three hundred twenty-one".