42582689 has 2 divisors, whose sum is σ = 42582690. Its totient is φ = 42582688.

The previous prime is 42582679. The next prime is 42582707. The reversal of 42582689 is 98628524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36784225 + 5798464 = 6065^2 + 2408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42582689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42582619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21291344 + 21291345.

It is an arithmetic number, because the mean of its divisors is an integer number (21291345).

Almost surely, 2^42582689 is an apocalyptic number.

It is an amenable number.

42582689 is a deficient number, since it is larger than the sum of its proper divisors (1).

42582689 is an equidigital number, since it uses as much as digits as its factorization.

42582689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The square root of 42582689 is about 6525.5412802311. The cubic root of 42582689 is about 349.2027814186.

The spelling of 42582689 in words is "forty-two million, five hundred eighty-two thousand, six hundred eighty-nine".