42471413 has 2 divisors, whose sum is σ = 42471414. Its totient is φ = 42471412.

The previous prime is 42471397. The next prime is 42471431. The reversal of 42471413 is 31417424.

42471413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (42471431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28281124 + 14190289 = 5318^2 + 3767^2 .

It is a cyclic number.

It is not a de Polignac number, because 42471413 - 2⁴ = 42471397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42471463) 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, 21235706 + 21235707.

It is an arithmetic number, because the mean of its divisors is an integer number (21235707).

Almost surely, 2^42471413 is an apocalyptic number.

It is an amenable number.

42471413 is a deficient number, since it is larger than the sum of its proper divisors (1).

42471413 is an equidigital number, since it uses as much as digits as its factorization.

42471413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 42471413 is about 6517.0095135729. The cubic root of 42471413 is about 348.8983401357.

Adding to 42471413 its reverse (31417424), we get a palindrome (73888837).

The spelling of 42471413 in words is "forty-two million, four hundred seventy-one thousand, four hundred thirteen".