42587659 has 2 divisors, whose sum is σ = 42587660. Its totient is φ = 42587658.

The previous prime is 42587653. The next prime is 42587681. The reversal of 42587659 is 95678524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42587659 - 2⁹ = 42587147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42587653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21293829 + 21293830.

It is an arithmetic number, because the mean of its divisors is an integer number (21293830).

Almost surely, 2^42587659 is an apocalyptic number.

42587659 is a deficient number, since it is larger than the sum of its proper divisors (1).

42587659 is an equidigital number, since it uses as much as digits as its factorization.

42587659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 42587659 is about 6525.9220804420. The cubic root of 42587659 is about 349.2163665189.

The spelling of 42587659 in words is "forty-two million, five hundred eighty-seven thousand, six hundred fifty-nine".