816075473 has 2 divisors, whose sum is σ = 816075474. Its totient is φ = 816075472.

The previous prime is 816075437. The next prime is 816075509. The reversal of 816075473 is 374570618.

Together with previous prime (816075437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (816075437) and next prime (816075509).

It can be written as a sum of positive squares in only one way, i.e., 529552144 + 286523329 = 23012^2 + 16927^2 .

It is a cyclic number.

It is not a de Polignac number, because 816075473 - 2⁶ = 816075409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 816075473.

It is not a weakly prime, because it can be changed into another prime (816077473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408037736 + 408037737.

It is an arithmetic number, because the mean of its divisors is an integer number (408037737).

Almost surely, 2^816075473 is an apocalyptic number.

It is an amenable number.

816075473 is a deficient number, since it is larger than the sum of its proper divisors (1).

816075473 is an equidigital number, since it uses as much as digits as its factorization.

816075473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 816075473 is about 28567.0347253613. The cubic root of 816075473 is about 934.4945548046.

The spelling of 816075473 in words is "eight hundred sixteen million, seventy-five thousand, four hundred seventy-three".