605881617 has 16 divisors (see below), whose sum is σ = 919600128. Its totient is φ = 351235280.

The previous prime is 605881613. The next prime is 605881687. The reversal of 605881617 is 716188506.

It is not a de Polignac number, because 605881617 - 2² = 605881613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (605881613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398373 + ... + 399890.

It is an arithmetic number, because the mean of its divisors is an integer number (57475008).

Almost surely, 2^605881617 is an apocalyptic number.

It is an amenable number.

605881617 is a deficient number, since it is larger than the sum of its proper divisors (313718511).

605881617 is a wasteful number, since it uses less digits than its factorization.

605881617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798300.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 605881617 is about 24614.6626424170. The cubic root of 605881617 is about 846.1796797684.

The spelling of 605881617 in words is "six hundred five million, eight hundred eighty-one thousand, six hundred seventeen".