652720841317 has 2 divisors, whose sum is σ = 652720841318. Its totient is φ = 652720841316.

The previous prime is 652720841203. The next prime is 652720841347. The reversal of 652720841317 is 713148027256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417659742756 + 235061098561 = 646266^2 + 484831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652720841317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652720841347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326360420658 + 326360420659.

It is an arithmetic number, because the mean of its divisors is an integer number (326360420659).

Almost surely, 2^652720841317 is an apocalyptic number.

It is an amenable number.

652720841317 is a deficient number, since it is larger than the sum of its proper divisors (1).

652720841317 is an equidigital number, since it uses as much as digits as its factorization.

652720841317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 652720841317 in words is "six hundred fifty-two billion, seven hundred twenty million, eight hundred forty-one thousand, three hundred seventeen".