42100063 has 2 divisors, whose sum is σ = 42100064. Its totient is φ = 42100062.

The previous prime is 42100061. The next prime is 42100081. The reversal of 42100063 is 36000124.

42100063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42100063 - 2¹ = 42100061 is a prime.

Together with 42100061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42100061) 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 as a sum of consecutive naturals, namely, 21050031 + 21050032.

It is an arithmetic number, because the mean of its divisors is an integer number (21050032).

Almost surely, 2^42100063 is an apocalyptic number.

42100063 is a deficient number, since it is larger than the sum of its proper divisors (1).

42100063 is an equidigital number, since it uses as much as digits as its factorization.

42100063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 42100063 is about 6488.4561337810. The cubic root of 42100063 is about 347.8784944857.

Adding to 42100063 its reverse (36000124), we get a palindrome (78100187).

The spelling of 42100063 in words is "forty-two million, one hundred thousand, sixty-three".