1317609241 has 8 divisors (see below), whose sum is σ = 1419683720. Its totient is φ = 1215637632.

The previous prime is 1317609221. The next prime is 1317609253. The reversal of 1317609241 is 1429067131.

It can be written as a sum of positive squares in 4 ways, for example, as 1008016 + 1316601225 = 1004^2 + 36285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1317609241 - 2²¹ = 1315512089 is a prime.

It is a super-2 number, since 2×1317609241² = 3472188223937192162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1317609197 and 1317609206.

It is not an unprimeable number, because it can be changed into a prime (1317609221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005 + ... + 51373.

It is an arithmetic number, because the mean of its divisors is an integer number (177460465).

Almost surely, 2^1317609241 is an apocalyptic number.

It is an amenable number.

1317609241 is a deficient number, since it is larger than the sum of its proper divisors (102074479).

1317609241 is a wasteful number, since it uses less digits than its factorization.

1317609241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51435.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1317609241 is about 36298.8876000353. The cubic root of 1317609241 is about 1096.2986450731.

The spelling of 1317609241 in words is "one billion, three hundred seventeen million, six hundred nine thousand, two hundred forty-one".