816482243 has 2 divisors, whose sum is σ = 816482244. Its totient is φ = 816482242.

The previous prime is 816482209. The next prime is 816482279. The reversal of 816482243 is 342284618.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 816482243 - 2¹⁶ = 816416707 is a prime.

It is a super-2 number, since 2×816482243² = 1333286506268622098, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 816482197 and 816482206.

It is not a weakly prime, because it can be changed into another prime (816482203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408241121 + 408241122.

It is an arithmetic number, because the mean of its divisors is an integer number (408241122).

Almost surely, 2^816482243 is an apocalyptic number.

816482243 is a deficient number, since it is larger than the sum of its proper divisors (1).

816482243 is an equidigital number, since it uses as much as digits as its factorization.

816482243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 38.

The square root of 816482243 is about 28574.1534082814. The cubic root of 816482243 is about 934.6497942087.

The spelling of 816482243 in words is "eight hundred sixteen million, four hundred eighty-two thousand, two hundred forty-three".