451802801 has 2 divisors, whose sum is σ = 451802802. Its totient is φ = 451802800.

The previous prime is 451802797. The next prime is 451802807. The reversal of 451802801 is 108208154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427042225 + 24760576 = 20665^2 + 4976^2 .

It is a cyclic number.

It is not a de Polignac number, because 451802801 - 2² = 451802797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (451802807) 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, 225901400 + 225901401.

It is an arithmetic number, because the mean of its divisors is an integer number (225901401).

Almost surely, 2^451802801 is an apocalyptic number.

It is an amenable number.

451802801 is a deficient number, since it is larger than the sum of its proper divisors (1).

451802801 is an equidigital number, since it uses as much as digits as its factorization.

451802801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 451802801 is about 21255.6533891574. The cubic root of 451802801 is about 767.3314047160.

The spelling of 451802801 in words is "four hundred fifty-one million, eight hundred two thousand, eight hundred one".