80401801 has 2 divisors, whose sum is σ = 80401802. Its totient is φ = 80401800.

The previous prime is 80401781. The next prime is 80401831. The reversal of 80401801 is 10810408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44689225 + 35712576 = 6685^2 + 5976^2 .

It is a cyclic number.

It is not a de Polignac number, because 80401801 - 2²¹ = 78304649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80401831) 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, 40200900 + 40200901.

It is an arithmetic number, because the mean of its divisors is an integer number (40200901).

Almost surely, 2^80401801 is an apocalyptic number.

It is an amenable number.

80401801 is a deficient number, since it is larger than the sum of its proper divisors (1).

80401801 is an equidigital number, since it uses as much as digits as its factorization.

80401801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 80401801 is about 8966.7051362248. The cubic root of 80401801 is about 431.6071119985.

The spelling of 80401801 in words is "eighty million, four hundred one thousand, eight hundred one".