822349513 has 2 divisors, whose sum is σ = 822349514. Its totient is φ = 822349512.

The previous prime is 822349499. The next prime is 822349523. The reversal of 822349513 is 315943228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 786970809 + 35378704 = 28053^2 + 5948^2 .

It is a cyclic number.

It is not a de Polignac number, because 822349513 - 2⁹ = 822349001 is a prime.

It is not a weakly prime, because it can be changed into another prime (822349523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411174756 + 411174757.

It is an arithmetic number, because the mean of its divisors is an integer number (411174757).

Almost surely, 2^822349513 is an apocalyptic number.

It is an amenable number.

822349513 is a deficient number, since it is larger than the sum of its proper divisors (1).

822349513 is an equidigital number, since it uses as much as digits as its factorization.

822349513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 822349513 is about 28676.6370587627. The cubic root of 822349513 is about 936.8832615174.

The spelling of 822349513 in words is "eight hundred twenty-two million, three hundred forty-nine thousand, five hundred thirteen".