826000001 has 4 divisors (see below), whose sum is σ = 826219332. Its totient is φ = 825780672.

The previous prime is 825999997. The next prime is 826000003. The reversal of 826000001 is 100000628.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 269747776 + 556252225 = 16424^2 + 23585^2 .

It is a cyclic number.

It is not a de Polignac number, because 826000001 - 2² = 825999997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (826000003) 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 in 3 ways as a sum of consecutive naturals, for example, 103916 + ... + 111581.

It is an arithmetic number, because the mean of its divisors is an integer number (206554833).

Almost surely, 2^826000001 is an apocalyptic number.

It is an amenable number.

826000001 is a deficient number, since it is larger than the sum of its proper divisors (219331).

826000001 is a wasteful number, since it uses less digits than its factorization.

826000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219330.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 826000001 is about 28740.2157437971. The cubic root of 826000001 is about 938.2675199965.

Adding to 826000001 its reverse (100000628), we get a palindrome (926000629).

The spelling of 826000001 in words is "eight hundred twenty-six million, one", and thus it is an aban number.