42863 has 2 divisors, whose sum is σ = 42864. Its totient is φ = 42862.

The previous prime is 42859. The next prime is 42899. The reversal of 42863 is 36824.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42863 - 2² = 42859 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4 + 2⁷ + 8⁵ + 6⁵ + 3⁷ .

It is a plaindrome in base 8 and base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42863.

It is not a weakly prime, because it can be changed into another prime (42853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21431 + 21432.

It is an arithmetic number, because the mean of its divisors is an integer number (21432).

2⁴²⁸⁶³ is an apocalyptic number.

42863 is a deficient number, since it is larger than the sum of its proper divisors (1).

42863 is an equidigital number, since it uses as much as digits as its factorization.

42863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 42863 is about 207.0338136634. The cubic root of 42863 is about 34.9967343892.

The spelling of 42863 in words is "forty-two thousand, eight hundred sixty-three".