42271537 has 32 divisors (see below), whose sum is σ = 57176064. Its totient is φ = 30240000.

The previous prime is 42271519. The next prime is 42271543. The reversal of 42271537 is 73517224.

It is not a de Polignac number, because 42271537 - 2¹⁹ = 41747249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42271499 and 42271508.

It is not an unprimeable number, because it can be changed into a prime (42271517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55912 + ... + 56662.

It is an arithmetic number, because the mean of its divisors is an integer number (1786752).

Almost surely, 2^42271537 is an apocalyptic number.

It is an amenable number.

42271537 is a deficient number, since it is larger than the sum of its proper divisors (14904527).

42271537 is a wasteful number, since it uses less digits than its factorization.

42271537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its digits is 11760, while the sum is 31.

The square root of 42271537 is about 6501.6564812361. The cubic root of 42271537 is about 348.3501589567.

The spelling of 42271537 in words is "forty-two million, two hundred seventy-one thousand, five hundred thirty-seven".