463301821 has 2 divisors, whose sum is σ = 463301822. Its totient is φ = 463301820.

The previous prime is 463301809. The next prime is 463301849. The reversal of 463301821 is 128103364.

It is an a-pointer prime, because the next prime (463301849) can be obtained adding 463301821 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453093796 + 10208025 = 21286^2 + 3195^2 .

It is a cyclic number.

It is not a de Polignac number, because 463301821 - 2¹¹ = 463299773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 463301821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463391821) 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, 231650910 + 231650911.

It is an arithmetic number, because the mean of its divisors is an integer number (231650911).

Almost surely, 2^463301821 is an apocalyptic number.

It is an amenable number.

463301821 is a deficient number, since it is larger than the sum of its proper divisors (1).

463301821 is an equidigital number, since it uses as much as digits as its factorization.

463301821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 463301821 is about 21524.4470544542. The cubic root of 463301821 is about 773.7868336673.

The spelling of 463301821 in words is "four hundred sixty-three million, three hundred one thousand, eight hundred twenty-one".