6625212317 has 2 divisors, whose sum is σ = 6625212318. Its totient is φ = 6625212316.

The previous prime is 6625212311. The next prime is 6625212329. The reversal of 6625212317 is 7132125266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3754503076 + 2870709241 = 61274^2 + 53579^2 .

It is a cyclic number.

It is not a de Polignac number, because 6625212317 - 2¹⁰ = 6625211293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6625212311) 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, 3312606158 + 3312606159.

It is an arithmetic number, because the mean of its divisors is an integer number (3312606159).

Almost surely, 2^6625212317 is an apocalyptic number.

It is an amenable number.

6625212317 is a deficient number, since it is larger than the sum of its proper divisors (1).

6625212317 is an equidigital number, since it uses as much as digits as its factorization.

6625212317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 6625212317 is about 81395.4072230123. The cubic root of 6625212317 is about 1878.1629403760.

The spelling of 6625212317 in words is "six billion, six hundred twenty-five million, two hundred twelve thousand, three hundred seventeen".