826731361 has 2 divisors, whose sum is σ = 826731362. Its totient is φ = 826731360.

The previous prime is 826731341. The next prime is 826731379. The reversal of 826731361 is 163137628.

826731361 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., 715027600 + 111703761 = 26740^2 + 10569^2 .

It is a cyclic number.

It is not a de Polignac number, because 826731361 - 2¹¹ = 826729313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 826731361.

It is not a weakly prime, because it can be changed into another prime (826731341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413365680 + 413365681.

It is an arithmetic number, because the mean of its divisors is an integer number (413365681).

Almost surely, 2^826731361 is an apocalyptic number.

It is an amenable number.

826731361 is a deficient number, since it is larger than the sum of its proper divisors (1).

826731361 is an equidigital number, since it uses as much as digits as its factorization.

826731361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 826731361 is about 28752.9365630713. The cubic root of 826731361 is about 938.5443597475.

Adding to 826731361 its reverse (163137628), we get a palindrome (989868989).

The spelling of 826731361 in words is "eight hundred twenty-six million, seven hundred thirty-one thousand, three hundred sixty-one".