5220999197 has 2 divisors, whose sum is σ = 5220999198.
Its totient is φ = 5220999196.
The previous prime is 5220999191. The next prime is 5220999221. The reversal of 5220999197 is 7919990225.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5161847716 + 59151481 = 71846^2 + 7691^2
It is a cyclic number.
It is not a de Polignac number, because 5220999197 - 232 = 926031901 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5220999191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610499598 + 2610499599.
It is an arithmetic number, because the mean of its divisors is an integer number (2610499599).
Almost surely, 25220999197 is an apocalyptic number.
It is an amenable number.
5220999197 is a deficient number, since it is larger than the sum of its proper divisors (1).
5220999197 is an equidigital number, since it uses as much as digits as its factorization.
5220999197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 918540, while the sum is 53.
The square root of 5220999197 is about 72256.4820414058.
The cubic root of 5220999197 is about 1734.8071714983.
The spelling of 5220999197 in words is "five billion, two hundred twenty million, nine hundred ninety-nine thousand, one hundred ninety-seven".