42527181 has 8 divisors (see below), whose sum is σ = 56929824. Its totient is φ = 28238000.

The previous prime is 42527179. The next prime is 42527197. The reversal of 42527181 is 18172524.

42527181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42527181 - 2¹ = 42527179 is a prime.

It is a super-2 number, since 2×42527181² = 3617122247613522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42527281) 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 7 ways as a sum of consecutive naturals, for example, 27486 + ... + 28991.

It is an arithmetic number, because the mean of its divisors is an integer number (7116228).

Almost surely, 2^42527181 is an apocalyptic number.

It is an amenable number.

42527181 is a deficient number, since it is larger than the sum of its proper divisors (14402643).

42527181 is a wasteful number, since it uses less digits than its factorization.

42527181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56731.

The product of its digits is 4480, while the sum is 30.

The square root of 42527181 is about 6521.2867595284. The cubic root of 42527181 is about 349.0509828284.

The spelling of 42527181 in words is "forty-two million, five hundred twenty-seven thousand, one hundred eighty-one".