818050817 has 2 divisors, whose sum is σ = 818050818. Its totient is φ = 818050816.

The previous prime is 818050811. The next prime is 818050843. The reversal of 818050817 is 718050818.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 722480641 + 95570176 = 26879^2 + 9776^2 .

It is a cyclic number.

It is not a de Polignac number, because 818050817 - 2¹² = 818046721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (818050811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409025408 + 409025409.

It is an arithmetic number, because the mean of its divisors is an integer number (409025409).

Almost surely, 2^818050817 is an apocalyptic number.

It is an amenable number.

818050817 is a deficient number, since it is larger than the sum of its proper divisors (1).

818050817 is an equidigital number, since it uses as much as digits as its factorization.

818050817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 38.

The square root of 818050817 is about 28601.5876657223. The cubic root of 818050817 is about 935.2479413376.

Subtracting from 818050817 its reverse (718050818), we obtain a palindrome (99999999).

The spelling of 818050817 in words is "eight hundred eighteen million, fifty thousand, eight hundred seventeen".