617931601 has 12 divisors (see below), whose sum is σ = 727921920. Its totient is φ = 522947880.

The previous prime is 617931577. The next prime is 617931617. The reversal of 617931601 is 106139716.

It is not a de Polignac number, because 617931601 - 2¹¹ = 617929553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617931631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75945 + ... + 83686.

It is an arithmetic number, because the mean of its divisors is an integer number (60660160).

Almost surely, 2^617931601 is an apocalyptic number.

It is an amenable number.

617931601 is a deficient number, since it is larger than the sum of its proper divisors (109990319).

617931601 is a wasteful number, since it uses less digits than its factorization.

617931601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159724 (or 159717 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 617931601 is about 24858.2300456006. The cubic root of 617931601 is about 851.7526011576.

The spelling of 617931601 in words is "six hundred seventeen million, nine hundred thirty-one thousand, six hundred one".