42548137 has 4 divisors (see below), whose sum is σ = 44398080. Its totient is φ = 40698196.

The previous prime is 42548117. The next prime is 42548147. The reversal of 42548137 is 73184524.

42548137 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42548137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42548117) 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, 924937 + ... + 924982.

It is an arithmetic number, because the mean of its divisors is an integer number (11099520).

Almost surely, 2^42548137 is an apocalyptic number.

It is an amenable number.

42548137 is a deficient number, since it is larger than the sum of its proper divisors (1849943).

42548137 is a wasteful number, since it uses less digits than its factorization.

42548137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849942.

The product of its digits is 26880, while the sum is 34.

The square root of 42548137 is about 6522.8932997559. The cubic root of 42548137 is about 349.1083070390.

The spelling of 42548137 in words is "forty-two million, five hundred forty-eight thousand, one hundred thirty-seven".