42683587 has 2 divisors, whose sum is σ = 42683588. Its totient is φ = 42683586.

The previous prime is 42683581. The next prime is 42683639. The reversal of 42683587 is 78538624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42683587 - 2¹¹ = 42681539 is a prime.

It is not a weakly prime, because it can be changed into another prime (42683581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21341793 + 21341794.

It is an arithmetic number, because the mean of its divisors is an integer number (21341794).

Almost surely, 2^42683587 is an apocalyptic number.

42683587 is a deficient number, since it is larger than the sum of its proper divisors (1).

42683587 is an equidigital number, since it uses as much as digits as its factorization.

42683587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 42683587 is about 6533.2677122555. The cubic root of 42683587 is about 349.4783712669.

The spelling of 42683587 in words is "forty-two million, six hundred eighty-three thousand, five hundred eighty-seven".