42538486 has 4 divisors (see below), whose sum is σ = 63807732. Its totient is φ = 21269242.

The previous prime is 42538459. The next prime is 42538513. The reversal of 42538486 is 68483524.

42538486 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 an interprime number because it is at equal distance from previous prime (42538459) and next prime (42538513).

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 as a sum of consecutive naturals, namely, 10634620 + ... + 10634623.

It is an arithmetic number, because the mean of its divisors is an integer number (15951933).

Almost surely, 2^42538486 is an apocalyptic number.

42538486 is a deficient number, since it is larger than the sum of its proper divisors (21269246).

42538486 is a wasteful number, since it uses less digits than its factorization.

42538486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21269245.

The product of its digits is 184320, while the sum is 40.

The square root of 42538486 is about 6522.1534787216. The cubic root of 42538486 is about 349.0819094943.

The spelling of 42538486 in words is "forty-two million, five hundred thirty-eight thousand, four hundred eighty-six".