42258539 has 8 divisors (see below), whose sum is σ = 43817760. Its totient is φ = 40706176.

The previous prime is 42258529. The next prime is 42258553. The reversal of 42258539 is 93585224.

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

It is a cyclic number.

It is not a de Polignac number, because 42258539 - 2⁴ = 42258523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42258509) 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 7 ways as a sum of consecutive naturals, for example, 13139 + ... + 16035.

It is an arithmetic number, because the mean of its divisors is an integer number (5477220).

Almost surely, 2^42258539 is an apocalyptic number.

42258539 is a deficient number, since it is larger than the sum of its proper divisors (1559221).

42258539 is a wasteful number, since it uses less digits than its factorization.

42258539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429.

The product of its digits is 86400, while the sum is 38.

The square root of 42258539 is about 6500.6568129690. The cubic root of 42258539 is about 348.3144507721.

The spelling of 42258539 in words is "forty-two million, two hundred fifty-eight thousand, five hundred thirty-nine".