42538485 has 32 divisors (see below), whose sum is σ = 74999808. Its totient is φ = 20416320.

The previous prime is 42538459. The next prime is 42538513. The reversal of 42538485 is 58483524.

42538485 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 42538485 - 2⁵ = 42538453 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15744 + ... + 18246.

It is an arithmetic number, because the mean of its divisors is an integer number (2343744).

Almost surely, 2^42538485 is an apocalyptic number.

It is an amenable number.

42538485 is a deficient number, since it is larger than the sum of its proper divisors (32461323).

42538485 is a wasteful number, since it uses less digits than its factorization.

42538485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625.

The product of its digits is 153600, while the sum is 39.

The square root of 42538485 is about 6522.1534020598. The cubic root of 42538485 is about 349.0819067589.

The spelling of 42538485 in words is "forty-two million, five hundred thirty-eight thousand, four hundred eighty-five".