818260033 has 2 divisors, whose sum is σ = 818260034. Its totient is φ = 818260032.

The previous prime is 818260021. The next prime is 818260049. The reversal of 818260033 is 330062818.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 793379889 + 24880144 = 28167^2 + 4988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-818260033 is a prime.

It is a super-2 number, since 2×818260033² = 1339098963210322178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 818259977 and 818260004.

It is not a weakly prime, because it can be changed into another prime (818260633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409130016 + 409130017.

It is an arithmetic number, because the mean of its divisors is an integer number (409130017).

Almost surely, 2^818260033 is an apocalyptic number.

It is an amenable number.

818260033 is a deficient number, since it is larger than the sum of its proper divisors (1).

818260033 is an equidigital number, since it uses as much as digits as its factorization.

818260033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 818260033 is about 28605.2448512506. The cubic root of 818260033 is about 935.3276642395.

The spelling of 818260033 in words is "eight hundred eighteen million, two hundred sixty thousand, thirty-three".