42418471 has 2 divisors, whose sum is σ = 42418472. Its totient is φ = 42418470.

The previous prime is 42418459. The next prime is 42418483. The reversal of 42418471 is 17481424.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (42418459) and next prime (42418483).

It is a cyclic number.

It is not a de Polignac number, because 42418471 - 2¹³ = 42410279 is a prime.

It is a super-3 number, since 3×42418471³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42418421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21209235 + 21209236.

It is an arithmetic number, because the mean of its divisors is an integer number (21209236).

Almost surely, 2^42418471 is an apocalyptic number.

42418471 is a deficient number, since it is larger than the sum of its proper divisors (1).

42418471 is an equidigital number, since it uses as much as digits as its factorization.

42418471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 31.

The square root of 42418471 is about 6512.9464146421. The cubic root of 42418471 is about 348.7533088076.

Adding to 42418471 its reverse (17481424), we get a palindrome (59899895).

The spelling of 42418471 in words is "forty-two million, four hundred eighteen thousand, four hundred seventy-one".