42531027 has 16 divisors (see below), whose sum is σ = 70701312. Its totient is φ = 22093920.

The previous prime is 42531017. The next prime is 42531029. The reversal of 42531027 is 72013524.

42531027 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 42531027 - 2¹⁶ = 42465491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42530988 and 42531006.

It is not an unprimeable number, because it can be changed into a prime (42531029) 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, 91828 + ... + 92289.

It is an arithmetic number, because the mean of its divisors is an integer number (4418832).

Almost surely, 2^42531027 is an apocalyptic number.

42531027 is a deficient number, since it is larger than the sum of its proper divisors (28170285).

42531027 is a wasteful number, since it uses less digits than its factorization.

42531027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184138.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 42531027 is about 6521.5816333156. The cubic root of 42531027 is about 349.0615048019.

The spelling of 42531027 in words is "forty-two million, five hundred thirty-one thousand, twenty-seven".