804142063 has 2 divisors, whose sum is σ = 804142064. Its totient is φ = 804142062.

The previous prime is 804142057. The next prime is 804142099. The reversal of 804142063 is 360241408.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804142063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804142033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402071031 + 402071032.

It is an arithmetic number, because the mean of its divisors is an integer number (402071032).

Almost surely, 2^804142063 is an apocalyptic number.

804142063 is a deficient number, since it is larger than the sum of its proper divisors (1).

804142063 is an equidigital number, since it uses as much as digits as its factorization.

804142063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 804142063 is about 28357.3987347218. The cubic root of 804142063 is about 929.9171556836.

The spelling of 804142063 in words is "eight hundred four million, one hundred forty-two thousand, sixty-three".