42384071 has 2 divisors, whose sum is σ = 42384072. Its totient is φ = 42384070.

The previous prime is 42384059. The next prime is 42384107. The reversal of 42384071 is 17048324.

Together with next prime (42384107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42384071 - 2¹⁴ = 42367687 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42384031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21192035 + 21192036.

It is an arithmetic number, because the mean of its divisors is an integer number (21192036).

Almost surely, 2^42384071 is an apocalyptic number.

42384071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42384071 is an equidigital number, since it uses as much as digits as its factorization.

42384071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 42384071 is about 6510.3049851754. The cubic root of 42384071 is about 348.6590074487.

The spelling of 42384071 in words is "forty-two million, three hundred eighty-four thousand, seventy-one".