42582487 has 2 divisors, whose sum is σ = 42582488. Its totient is φ = 42582486.

The previous prime is 42582481. The next prime is 42582521. The reversal of 42582487 is 78428524.

42582487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42582487 - 2⁷ = 42582359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42582481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21291243 + 21291244.

It is an arithmetic number, because the mean of its divisors is an integer number (21291244).

Almost surely, 2^42582487 is an apocalyptic number.

42582487 is a deficient number, since it is larger than the sum of its proper divisors (1).

42582487 is an equidigital number, since it uses as much as digits as its factorization.

42582487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 143360, while the sum is 40.

The square root of 42582487 is about 6525.5258025695. The cubic root of 42582487 is about 349.2022292453.

The spelling of 42582487 in words is "forty-two million, five hundred eighty-two thousand, four hundred eighty-seven".