42534849 has 16 divisors (see below), whose sum is σ = 65100672. Its totient is φ = 24198528.

The previous prime is 42534847. The next prime is 42534871. The reversal of 42534849 is 94843524.

It is not a de Polignac number, because 42534849 - 2¹ = 42534847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42534841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547 + ... + 9239.

It is an arithmetic number, because the mean of its divisors is an integer number (4068792).

Almost surely, 2^42534849 is an apocalyptic number.

It is an amenable number.

42534849 is a deficient number, since it is larger than the sum of its proper divisors (22565823).

42534849 is a wasteful number, since it uses less digits than its factorization.

42534849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8936.

The product of its digits is 138240, while the sum is 39.

The square root of 42534849 is about 6521.8746538093. The cubic root of 42534849 is about 349.0719604873.

The spelling of 42534849 in words is "forty-two million, five hundred thirty-four thousand, eight hundred forty-nine".