42130547 has 4 divisors (see below), whose sum is σ = 42160440. Its totient is φ = 42100656.

The previous prime is 42130541. The next prime is 42130559. The reversal of 42130547 is 74503124.

42130547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42130547 - 2¹⁶ = 42065011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42130541) 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 3 ways as a sum of consecutive naturals, for example, 12722 + ... + 15687.

It is an arithmetic number, because the mean of its divisors is an integer number (10540110).

Almost surely, 2^42130547 is an apocalyptic number.

42130547 is a deficient number, since it is larger than the sum of its proper divisors (29893).

42130547 is a wasteful number, since it uses less digits than its factorization.

42130547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29892.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 42130547 is about 6490.8048037204. The cubic root of 42130547 is about 347.9624386949.

The spelling of 42130547 in words is "forty-two million, one hundred thirty thousand, five hundred forty-seven".