617471017 has 4 divisors (see below), whose sum is σ = 618938116. Its totient is φ = 616003920.

The previous prime is 617471009. The next prime is 617471039. The reversal of 617471017 is 710174716.

617471017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 73462041 + 544008976 = 8571^2 + 23324^2 .

It is a cyclic number.

It is not a de Polignac number, because 617471017 - 2³ = 617471009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617471047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732918 + ... + 733759.

It is an arithmetic number, because the mean of its divisors is an integer number (154734529).

Almost surely, 2^617471017 is an apocalyptic number.

It is an amenable number.

617471017 is a deficient number, since it is larger than the sum of its proper divisors (1467099).

617471017 is a wasteful number, since it uses less digits than its factorization.

617471017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467098.

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 617471017 is about 24848.9641031573. The cubic root of 617471017 is about 851.5409266349.

The spelling of 617471017 in words is "six hundred seventeen million, four hundred seventy-one thousand, seventeen".