42101471 has 2 divisors, whose sum is σ = 42101472. Its totient is φ = 42101470.

The previous prime is 42101467. The next prime is 42101513. The reversal of 42101471 is 17410124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42101471 - 2² = 42101467 is a prime.

It is a super-3 number, since 3×42101471³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is equal to p_2553401 and since 42101471 and 2553401 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42103471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21050735 + 21050736.

It is an arithmetic number, because the mean of its divisors is an integer number (21050736).

Almost surely, 2^42101471 is an apocalyptic number.

42101471 is a deficient number, since it is larger than the sum of its proper divisors (1).

42101471 is an equidigital number, since it uses as much as digits as its factorization.

42101471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 42101471 is about 6488.5646332606. The cubic root of 42101471 is about 347.8823726071.

Adding to 42101471 its reverse (17410124), we get a palindrome (59511595).

The spelling of 42101471 in words is "forty-two million, one hundred one thousand, four hundred seventy-one".