813446801 has 2 divisors, whose sum is σ = 813446802. Its totient is φ = 813446800.

The previous prime is 813446797. The next prime is 813446807. The reversal of 813446801 is 108644318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 733326400 + 80120401 = 27080^2 + 8951^2 .

It is a cyclic number.

It is not a de Polignac number, because 813446801 - 2² = 813446797 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (813446807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406723400 + 406723401.

It is an arithmetic number, because the mean of its divisors is an integer number (406723401).

Almost surely, 2^813446801 is an apocalyptic number.

It is an amenable number.

813446801 is a deficient number, since it is larger than the sum of its proper divisors (1).

813446801 is an equidigital number, since it uses as much as digits as its factorization.

813446801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 813446801 is about 28520.9887801948. The cubic root of 813446801 is about 933.4901044340.

The spelling of 813446801 in words is "eight hundred thirteen million, four hundred forty-six thousand, eight hundred one".