800047051 has 2 divisors, whose sum is σ = 800047052. Its totient is φ = 800047050.

The previous prime is 800047049. The next prime is 800047091. The reversal of 800047051 is 150740008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800047051 - 2¹ = 800047049 is a prime.

Together with 800047049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (800047091) 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, 400023525 + 400023526.

It is an arithmetic number, because the mean of its divisors is an integer number (400023526).

Almost surely, 2^800047051 is an apocalyptic number.

800047051 is a deficient number, since it is larger than the sum of its proper divisors (1).

800047051 is an equidigital number, since it uses as much as digits as its factorization.

800047051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 800047051 is about 28285.1029872617. The cubic root of 800047051 is about 928.3359656488.

Adding to 800047051 its reverse (150740008), we get a palindrome (950787059).

The spelling of 800047051 in words is "eight hundred million, forty-seven thousand, fifty-one".