42534113 has 4 divisors (see below), whose sum is σ = 42712320. Its totient is φ = 42355908.

The previous prime is 42534091. The next prime is 42534131. The reversal of 42534113 is 31143524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42534113 - 2⁶ = 42534049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42534313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88745 + ... + 89222.

It is an arithmetic number, because the mean of its divisors is an integer number (10678080).

Almost surely, 2^42534113 is an apocalyptic number.

It is an amenable number.

42534113 is a deficient number, since it is larger than the sum of its proper divisors (178207).

42534113 is a wasteful number, since it uses less digits than its factorization.

42534113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178206.

The product of its digits is 1440, while the sum is 23.

The square root of 42534113 is about 6521.8182280711. The cubic root of 42534113 is about 349.0699470916.

Adding to 42534113 its reverse (31143524), we get a palindrome (73677637).

The spelling of 42534113 in words is "forty-two million, five hundred thirty-four thousand, one hundred thirteen".