8372317 has 2 divisors, whose sum is σ = 8372318. Its totient is φ = 8372316.

The previous prime is 8372291. The next prime is 8372321. The reversal of 8372317 is 7132738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7901721 + 470596 = 2811^2 + 686^2 .

It is a cyclic number.

It is not a de Polignac number, because 8372317 - 2¹¹ = 8370269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8372327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4186158 + 4186159.

It is an arithmetic number, because the mean of its divisors is an integer number (4186159).

Almost surely, 2^8372317 is an apocalyptic number.

It is an amenable number.

8372317 is a deficient number, since it is larger than the sum of its proper divisors (1).

8372317 is an equidigital number, since it uses as much as digits as its factorization.

8372317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 31.

The square root of 8372317 is about 2893.4956367688. The cubic root of 8372317 is about 203.0557168682.

The spelling of 8372317 in words is "eight million, three hundred seventy-two thousand, three hundred seventeen".