42987059 has 2 divisors, whose sum is σ = 42987060. Its totient is φ = 42987058.

The previous prime is 42987053. The next prime is 42987079. The reversal of 42987059 is 95078924.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42987059 - 2⁸ = 42986803 is a prime.

It is not a weakly prime, because it can be changed into another prime (42987053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21493529 + 21493530.

It is an arithmetic number, because the mean of its divisors is an integer number (21493530).

Almost surely, 2^42987059 is an apocalyptic number.

42987059 is a deficient number, since it is larger than the sum of its proper divisors (1).

42987059 is an equidigital number, since it uses as much as digits as its factorization.

42987059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 42987059 is about 6556.4517080506. The cubic root of 42987059 is about 350.3046571835.

The spelling of 42987059 in words is "forty-two million, nine hundred eighty-seven thousand, fifty-nine".