42950071 has 2 divisors, whose sum is σ = 42950072. Its totient is φ = 42950070.

The previous prime is 42950029. The next prime is 42950107. The reversal of 42950071 is 17005924.

It is a happy number.

Together with next prime (42950107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42950071 - 2⁷ = 42949943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42950021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21475035 + 21475036.

It is an arithmetic number, because the mean of its divisors is an integer number (21475036).

Almost surely, 2^42950071 is an apocalyptic number.

42950071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42950071 is an equidigital number, since it uses as much as digits as its factorization.

42950071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 42950071 is about 6553.6303679716. The cubic root of 42950071 is about 350.2041557223.

Adding to 42950071 its reverse (17005924), we get a palindrome (59955995).

The spelling of 42950071 in words is "forty-two million, nine hundred fifty thousand, seventy-one".