806055317 has 2 divisors, whose sum is σ = 806055318. Its totient is φ = 806055316.

The previous prime is 806055293. The next prime is 806055343. The reversal of 806055317 is 713550608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 553849156 + 252206161 = 23534^2 + 15881^2 .

It is a cyclic number.

It is not a de Polignac number, because 806055317 - 2¹² = 806051221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806055347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403027658 + 403027659.

It is an arithmetic number, because the mean of its divisors is an integer number (403027659).

Almost surely, 2^806055317 is an apocalyptic number.

It is an amenable number.

806055317 is a deficient number, since it is larger than the sum of its proper divisors (1).

806055317 is an equidigital number, since it uses as much as digits as its factorization.

806055317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 806055317 is about 28391.1133455523. The cubic root of 806055317 is about 930.6540729665.

The spelling of 806055317 in words is "eight hundred six million, fifty-five thousand, three hundred seventeen".