617163601 has 4 divisors (see below), whose sum is σ = 617249332. Its totient is φ = 617077872.

The previous prime is 617163583. The next prime is 617163607. The reversal of 617163601 is 106361716.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 334890000 + 282273601 = 18300^2 + 16801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-617163601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617163607) 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 in 3 ways as a sum of consecutive naturals, for example, 30966 + ... + 46831.

It is an arithmetic number, because the mean of its divisors is an integer number (154312333).

Almost surely, 2^617163601 is an apocalyptic number.

It is an amenable number.

617163601 is a deficient number, since it is larger than the sum of its proper divisors (85731).

617163601 is an equidigital number, since it uses as much as digits as its factorization.

617163601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85730.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 617163601 is about 24842.7776426067. Note that the first 3 decimals coincide. The cubic root of 617163601 is about 851.3995862570.

The spelling of 617163601 in words is "six hundred seventeen million, one hundred sixty-three thousand, six hundred one".