42051471 has 16 divisors (see below), whose sum is σ = 69904128. Its totient is φ = 21844800.

The previous prime is 42051467. The next prime is 42051487. The reversal of 42051471 is 17415024.

42051471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42051471 - 2² = 42051467 is a prime.

It is a super-3 number, since 3×42051471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051461) 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 in 15 ways as a sum of consecutive naturals, for example, 90790 + ... + 91251.

It is an arithmetic number, because the mean of its divisors is an integer number (4369008).

Almost surely, 2^42051471 is an apocalyptic number.

42051471 is a deficient number, since it is larger than the sum of its proper divisors (27852657).

42051471 is a wasteful number, since it uses less digits than its factorization.

42051471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182062.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 42051471 is about 6484.7105563780. The cubic root of 42051471 is about 347.7446022113.

Adding to 42051471 its reverse (17415024), we get a palindrome (59466495).

The spelling of 42051471 in words is "forty-two million, fifty-one thousand, four hundred seventy-one".