826260493 has 2 divisors, whose sum is σ = 826260494. Its totient is φ = 826260492.

The previous prime is 826260451. The next prime is 826260499. The reversal of 826260493 is 394062628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 696801609 + 129458884 = 26397^2 + 11378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-826260493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826260499) 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, 413130246 + 413130247.

It is an arithmetic number, because the mean of its divisors is an integer number (413130247).

Almost surely, 2^826260493 is an apocalyptic number.

It is an amenable number.

826260493 is a deficient number, since it is larger than the sum of its proper divisors (1).

826260493 is an equidigital number, since it uses as much as digits as its factorization.

826260493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 826260493 is about 28744.7472244930. The cubic root of 826260493 is about 938.3661420684.

The spelling of 826260493 in words is "eight hundred twenty-six million, two hundred sixty thousand, four hundred ninety-three".