42302563 has 2 divisors, whose sum is σ = 42302564. Its totient is φ = 42302562.

The previous prime is 42302549. The next prime is 42302591. The reversal of 42302563 is 36520324.

It is a happy number.

42302563 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 a de Polignac number, because none of the positive numbers 2^k-42302563 is a prime.

It is not a weakly prime, because it can be changed into another prime (42302363) 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, 21151281 + 21151282.

It is an arithmetic number, because the mean of its divisors is an integer number (21151282).

Almost surely, 2^42302563 is an apocalyptic number.

42302563 is a deficient number, since it is larger than the sum of its proper divisors (1).

42302563 is an equidigital number, since it uses as much as digits as its factorization.

42302563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 42302563 is about 6504.0420509096. The cubic root of 42302563 is about 348.4353641929.

Adding to 42302563 its reverse (36520324), we get a palindrome (78822887).

The spelling of 42302563 in words is "forty-two million, three hundred two thousand, five hundred sixty-three".