7317161 has 2 divisors, whose sum is σ = 7317162. Its totient is φ = 7317160.

The previous prime is 7317143. The next prime is 7317169. The reversal of 7317161 is 1617137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7123561 + 193600 = 2669^2 + 440^2 .

It is an emirp because it is prime and its reverse (1617137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7317161 - 2⁶ = 7317097 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7317161.

It is not a weakly prime, because it can be changed into another prime (7317169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3658580 + 3658581.

It is an arithmetic number, because the mean of its divisors is an integer number (3658581).

Almost surely, 2^7317161 is an apocalyptic number.

It is an amenable number.

7317161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7317161 is an equidigital number, since it uses as much as digits as its factorization.

7317161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882, while the sum is 26.

The square root of 7317161 is about 2705.0251385154. The cubic root of 7317161 is about 194.1396327085.

The spelling of 7317161 in words is "seven million, three hundred seventeen thousand, one hundred sixty-one".