617216701 has 2 divisors, whose sum is σ = 617216702. Its totient is φ = 617216700.

The previous prime is 617216689. The next prime is 617216741. The reversal of 617216701 is 107612716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436851801 + 180364900 = 20901^2 + 13430^2 .

It is a cyclic number.

It is not a de Polignac number, because 617216701 - 2²³ = 608828093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (617216741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308608350 + 308608351.

It is an arithmetic number, because the mean of its divisors is an integer number (308608351).

Almost surely, 2^617216701 is an apocalyptic number.

It is an amenable number.

617216701 is a deficient number, since it is larger than the sum of its proper divisors (1).

617216701 is an equidigital number, since it uses as much as digits as its factorization.

617216701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 617216701 is about 24843.8463406937. The cubic root of 617216701 is about 851.4240033492.

The spelling of 617216701 in words is "six hundred seventeen million, two hundred sixteen thousand, seven hundred one".