826290901 has 2 divisors, whose sum is σ = 826290902. Its totient is φ = 826290900.

The previous prime is 826290889. The next prime is 826290937. The reversal of 826290901 is 109092628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 826275025 + 15876 = 28745^2 + 126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-826290901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826290961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413145450 + 413145451.

It is an arithmetic number, because the mean of its divisors is an integer number (413145451).

Almost surely, 2^826290901 is an apocalyptic number.

It is an amenable number.

826290901 is a deficient number, since it is larger than the sum of its proper divisors (1).

826290901 is an equidigital number, since it uses as much as digits as its factorization.

826290901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 826290901 is about 28745.2761510478. The cubic root of 826290901 is about 938.3776531628.

The spelling of 826290901 in words is "eight hundred twenty-six million, two hundred ninety thousand, nine hundred one".