5223198397 has 2 divisors, whose sum is σ = 5223198398. Its totient is φ = 5223198396.

The previous prime is 5223198377. The next prime is 5223198419. The reversal of 5223198397 is 7938913225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4747347801 + 475850596 = 68901^2 + 21814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5223198397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5223198397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5223198307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2611599198 + 2611599199.

It is an arithmetic number, because the mean of its divisors is an integer number (2611599199).

Almost surely, 2^5223198397 is an apocalyptic number.

It is an amenable number.

5223198397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5223198397 is an equidigital number, since it uses as much as digits as its factorization.

5223198397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 5223198397 is about 72271.6984510534. The cubic root of 5223198397 is about 1735.0507169853.

The spelling of 5223198397 in words is "five billion, two hundred twenty-three million, one hundred ninety-eight thousand, three hundred ninety-seven".