42582289 has 4 divisors (see below), whose sum is σ = 42601024. Its totient is φ = 42563556.

The previous prime is 42582277. The next prime is 42582347. The reversal of 42582289 is 98228524.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42582289 - 2⁵ = 42582257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42582689) 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, 5397 + ... + 10690.

It is an arithmetic number, because the mean of its divisors is an integer number (10650256).

Almost surely, 2^42582289 is an apocalyptic number.

It is an amenable number.

42582289 is a deficient number, since it is larger than the sum of its proper divisors (18735).

42582289 is a wasteful number, since it uses less digits than its factorization.

42582289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18734.

The product of its digits is 92160, while the sum is 40.

The square root of 42582289 is about 6525.5106313606. The cubic root of 42582289 is about 349.2016880044.

The spelling of 42582289 in words is "forty-two million, five hundred eighty-two thousand, two hundred eighty-nine".