42370271 has 2 divisors, whose sum is σ = 42370272. Its totient is φ = 42370270.

The previous prime is 42370213. The next prime is 42370297. The reversal of 42370271 is 17207324.

42370271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42370297) can be obtained adding 42370271 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42370271 - 2¹⁰ = 42369247 is a prime.

It is a super-2 number, since 2×42370271² = 3590479729226882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 42370271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42370571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21185135 + 21185136.

It is an arithmetic number, because the mean of its divisors is an integer number (21185136).

Almost surely, 2^42370271 is an apocalyptic number.

42370271 is a deficient number, since it is larger than the sum of its proper divisors (1).

42370271 is an equidigital number, since it uses as much as digits as its factorization.

42370271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 42370271 is about 6509.2450407094. The cubic root of 42370271 is about 348.6211629119.

Adding to 42370271 its reverse (17207324), we get a palindrome (59577595).

The spelling of 42370271 in words is "forty-two million, three hundred seventy thousand, two hundred seventy-one".