42328259 has 4 divisors (see below), whose sum is σ = 43472304. Its totient is φ = 41184216.

The previous prime is 42328243. The next prime is 42328267. The reversal of 42328259 is 95282324.

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 42328259 - 2⁴ = 42328243 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (42328289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571967 + ... + 572040.

It is an arithmetic number, because the mean of its divisors is an integer number (10868076).

Almost surely, 2^42328259 is an apocalyptic number.

42328259 is a deficient number, since it is larger than the sum of its proper divisors (1144045).

42328259 is a wasteful number, since it uses less digits than its factorization.

42328259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144044.

The product of its digits is 34560, while the sum is 35.

The square root of 42328259 is about 6506.0171380039. The cubic root of 42328259 is about 348.5059003672.

It can be divided in two parts, 423 and 28259, that added together give a palindrome (28682).

The spelling of 42328259 in words is "forty-two million, three hundred twenty-eight thousand, two hundred fifty-nine".