42582443 has 4 divisors (see below), whose sum is σ = 42597360. Its totient is φ = 42567528.

The previous prime is 42582409. The next prime is 42582457. The reversal of 42582443 is 34428524.

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 42582443 - 2¹⁴ = 42566059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42582473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688 + ... + 9381.

It is an arithmetic number, because the mean of its divisors is an integer number (10649340).

Almost surely, 2^42582443 is an apocalyptic number.

42582443 is a deficient number, since it is larger than the sum of its proper divisors (14917).

42582443 is a wasteful number, since it uses less digits than its factorization.

42582443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14916.

The product of its digits is 30720, while the sum is 32.

The square root of 42582443 is about 6525.5224311928. The cubic root of 42582443 is about 349.2021089697.

The spelling of 42582443 in words is "forty-two million, five hundred eighty-two thousand, four hundred forty-three".