5208381617 has 2 divisors, whose sum is σ = 5208381618. Its totient is φ = 5208381616.

The previous prime is 5208381611. The next prime is 5208381623. The reversal of 5208381617 is 7161838025.

It is a balanced prime because it is at equal distance from previous prime (5208381611) and next prime (5208381623).

It can be written as a sum of positive squares in only one way, i.e., 4629305521 + 579076096 = 68039^2 + 24064^2 .

It is a cyclic number.

It is not a de Polignac number, because 5208381617 - 2²⁰ = 5207333041 is a prime.

It is not a weakly prime, because it can be changed into another prime (5208381611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2604190808 + 2604190809.

It is an arithmetic number, because the mean of its divisors is an integer number (2604190809).

Almost surely, 2^5208381617 is an apocalyptic number.

It is an amenable number.

5208381617 is a deficient number, since it is larger than the sum of its proper divisors (1).

5208381617 is an equidigital number, since it uses as much as digits as its factorization.

5208381617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 5208381617 is about 72169.1181669833. The cubic root of 5208381617 is about 1733.4085423440.

The spelling of 5208381617 in words is "five billion, two hundred eight million, three hundred eighty-one thousand, six hundred seventeen".