5251422515197 has 2 divisors, whose sum is σ = 5251422515198. Its totient is φ = 5251422515196.

The previous prime is 5251422515153. The next prime is 5251422515249. The reversal of 5251422515197 is 7915152241525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3148658606916 + 2102763908281 = 1774446^2 + 1450091^2 .

It is a cyclic number.

It is not a de Polignac number, because 5251422515197 - 2⁷ = 5251422515069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5251422515197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5251422515137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625711257598 + 2625711257599.

It is an arithmetic number, because the mean of its divisors is an integer number (2625711257599).

Almost surely, 2^{5251422515197} is an apocalyptic number.

It is an amenable number.

5251422515197 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251422515197 is an equidigital number, since it uses as much as digits as its factorization.

5251422515197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260000, while the sum is 49.

The spelling of 5251422515197 in words is "five trillion, two hundred fifty-one billion, four hundred twenty-two million, five hundred fifteen thousand, one hundred ninety-seven".