42395271 has 16 divisors (see below), whose sum is σ = 58652160. Its totient is φ = 27218880.

The previous prime is 42395257. The next prime is 42395273. The reversal of 42395271 is 17259324.

42395271 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 42395271 - 2²¹ = 40298119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42395273) 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, 7536 + ... + 11898.

It is an arithmetic number, because the mean of its divisors is an integer number (3665760).

Almost surely, 2^42395271 is an apocalyptic number.

42395271 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42395271 is a deficient number, since it is larger than the sum of its proper divisors (16256889).

42395271 is a wasteful number, since it uses less digits than its factorization.

42395271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486.

The product of its digits is 15120, while the sum is 33.

The square root of 42395271 is about 6511.1651031133. The cubic root of 42395271 is about 348.6897158168.

The spelling of 42395271 in words is "forty-two million, three hundred ninety-five thousand, two hundred seventy-one".