800430451 has 2 divisors, whose sum is σ = 800430452. Its totient is φ = 800430450.

The previous prime is 800430443. The next prime is 800430457. The reversal of 800430451 is 154034008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 800430451 - 2³ = 800430443 is a prime.

It is not a weakly prime, because it can be changed into another prime (800430457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400215225 + 400215226.

It is an arithmetic number, because the mean of its divisors is an integer number (400215226).

Almost surely, 2^800430451 is an apocalyptic number.

800430451 is a deficient number, since it is larger than the sum of its proper divisors (1).

800430451 is an equidigital number, since it uses as much as digits as its factorization.

800430451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 800430451 is about 28291.8795946823. The cubic root of 800430451 is about 928.4842349155.

Adding to 800430451 its reverse (154034008), we get a palindrome (954464459).

The spelling of 800430451 in words is "eight hundred million, four hundred thirty thousand, four hundred fifty-one".