42863481 has 12 divisors (see below), whose sum is σ = 62786880. Its totient is φ = 28172760.

The previous prime is 42863437. The next prime is 42863489. The reversal of 42863481 is 18436824.

42863481 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 42863481 - 2⁶ = 42863417 is a prime.

It is a super-2 number, since 2×42863481² = 3674556006874722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42863489) 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 11 ways as a sum of consecutive naturals, for example, 32901 + ... + 34178.

It is an arithmetic number, because the mean of its divisors is an integer number (5232240).

Almost surely, 2^42863481 is an apocalyptic number.

It is an amenable number.

42863481 is a deficient number, since it is larger than the sum of its proper divisors (19923399).

42863481 is a wasteful number, since it uses less digits than its factorization.

42863481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67156 (or 67153 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 42863481 is about 6547.0207728401. The cubic root of 42863481 is about 349.9686529749.

The spelling of 42863481 in words is "forty-two million, eight hundred sixty-three thousand, four hundred eighty-one".