826325999 has 2 divisors, whose sum is σ = 826326000. Its totient is φ = 826325998.

The previous prime is 826325993. The next prime is 826326019. The reversal of 826325999 is 999523628.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-826325999 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 826325999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826325993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413162999 + 413163000.

It is an arithmetic number, because the mean of its divisors is an integer number (413163000).

Almost surely, 2^826325999 is an apocalyptic number.

826325999 is a deficient number, since it is larger than the sum of its proper divisors (1).

826325999 is an equidigital number, since it uses as much as digits as its factorization.

826325999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 53.

The square root of 826325999 is about 28745.8866448749. The cubic root of 826325999 is about 938.3909393281.

The spelling of 826325999 in words is "eight hundred twenty-six million, three hundred twenty-five thousand, nine hundred ninety-nine".