5223320491 has 2 divisors, whose sum is σ = 5223320492. Its totient is φ = 5223320490.

The previous prime is 5223320483. The next prime is 5223320503. The reversal of 5223320491 is 1940233225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5223320491 - 2³ = 5223320483 is a prime.

It is not a weakly prime, because it can be changed into another prime (5223320591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2611660245 + 2611660246.

It is an arithmetic number, because the mean of its divisors is an integer number (2611660246).

Almost surely, 2^5223320491 is an apocalyptic number.

5223320491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5223320491 is an equidigital number, since it uses as much as digits as its factorization.

5223320491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 5223320491 is about 72272.5431336133. The cubic root of 5223320491 is about 1735.0642360092.

The spelling of 5223320491 in words is "five billion, two hundred twenty-three million, three hundred twenty thousand, four hundred ninety-one".