826996321 has 2 divisors, whose sum is σ = 826996322. Its totient is φ = 826996320.

The previous prime is 826996283. The next prime is 826996327. The reversal of 826996321 is 123699628.

826996321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774230625 + 52765696 = 27825^2 + 7264^2 .

It is a cyclic number.

It is not a de Polignac number, because 826996321 - 2¹⁹ = 826472033 is a prime.

It is not a weakly prime, because it can be changed into another prime (826996327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413498160 + 413498161.

It is an arithmetic number, because the mean of its divisors is an integer number (413498161).

Almost surely, 2^826996321 is an apocalyptic number.

It is an amenable number.

826996321 is a deficient number, since it is larger than the sum of its proper divisors (1).

826996321 is an equidigital number, since it uses as much as digits as its factorization.

826996321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 46.

The square root of 826996321 is about 28757.5437233433. The cubic root of 826996321 is about 938.6446140598.

The spelling of 826996321 in words is "eight hundred twenty-six million, nine hundred ninety-six thousand, three hundred twenty-one".