617713417 has 2 divisors, whose sum is σ = 617713418. Its totient is φ = 617713416.

The previous prime is 617713391. The next prime is 617713423. The reversal of 617713417 is 714317716.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522533881 + 95179536 = 22859^2 + 9756^2 .

It is a cyclic number.

It is not a de Polignac number, because 617713417 - 2¹⁵ = 617680649 is a prime.

It is not a weakly prime, because it can be changed into another prime (617713457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308856708 + 308856709.

It is an arithmetic number, because the mean of its divisors is an integer number (308856709).

Almost surely, 2^617713417 is an apocalyptic number.

It is an amenable number.

617713417 is a deficient number, since it is larger than the sum of its proper divisors (1).

617713417 is an equidigital number, since it uses as much as digits as its factorization.

617713417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 37.

The square root of 617713417 is about 24853.8410914691. The cubic root of 617713417 is about 851.6523415895.

The spelling of 617713417 in words is "six hundred seventeen million, seven hundred thirteen thousand, four hundred seventeen".