826398541 has 2 divisors, whose sum is σ = 826398542. Its totient is φ = 826398540.

The previous prime is 826398499. The next prime is 826398571. The reversal of 826398541 is 145893628.

826398541 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., 813105225 + 13293316 = 28515^2 + 3646^2 .

It is a cyclic number.

It is not a de Polignac number, because 826398541 - 2¹⁷ = 826267469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 826398491 and 826398500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826398571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413199270 + 413199271.

It is an arithmetic number, because the mean of its divisors is an integer number (413199271).

Almost surely, 2^826398541 is an apocalyptic number.

It is an amenable number.

826398541 is a deficient number, since it is larger than the sum of its proper divisors (1).

826398541 is an equidigital number, since it uses as much as digits as its factorization.

826398541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 46.

The square root of 826398541 is about 28747.1483977107. The cubic root of 826398541 is about 938.4183985326.

The spelling of 826398541 in words is "eight hundred twenty-six million, three hundred ninety-eight thousand, five hundred forty-one".