818050697 has 2 divisors, whose sum is σ = 818050698. Its totient is φ = 818050696.

The previous prime is 818050679. The next prime is 818050721. The reversal of 818050697 is 796050818.

It is a happy number.

Together with previous prime (818050679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533656201 + 284394496 = 23101^2 + 16864^2 .

It is a cyclic number.

It is not a de Polignac number, because 818050697 - 2⁶ = 818050633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (818053697) 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, 409025348 + 409025349.

It is an arithmetic number, because the mean of its divisors is an integer number (409025349).

Almost surely, 2^818050697 is an apocalyptic number.

It is an amenable number.

818050697 is a deficient number, since it is larger than the sum of its proper divisors (1).

818050697 is an equidigital number, since it uses as much as digits as its factorization.

818050697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 818050697 is about 28601.5855679366. The cubic root of 818050697 is about 935.2478956071.

The spelling of 818050697 in words is "eight hundred eighteen million, fifty thousand, six hundred ninety-seven".