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317617 is a prime number
BaseRepresentation
bin1001101100010110001
3121010200121
41031202301
540130432
610450241
72461666
oct1154261
9533617
10317617
111a76a3
12133981
13b1751
1483a6d
1564197
hex4d8b1

317617 has 2 divisors, whose sum is σ = 317618. Its totient is φ = 317616.

The previous prime is 317609. The next prime is 317621. The reversal of 317617 is 716713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160801 + 156816 = 401^2 + 396^2 .

It is an emirp because it is prime and its reverse (716713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317617 - 23 = 317609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 317591 and 317600.

It is not a weakly prime, because it can be changed into another prime (317717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158808 + 158809.

It is an arithmetic number, because the mean of its divisors is an integer number (158809).

2317617 is an apocalyptic number.

It is an amenable number.

317617 is a deficient number, since it is larger than the sum of its proper divisors (1).

317617 is an equidigital number, since it uses as much as digits as its factorization.

317617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 25.

The square root of 317617 is about 563.5751946280. The cubic root of 317617 is about 68.2288282937.

The spelling of 317617 in words is "three hundred seventeen thousand, six hundred seventeen".