314691217 has 2 divisors, whose sum is σ = 314691218. Its totient is φ = 314691216.

The previous prime is 314691211. The next prime is 314691227. The reversal of 314691217 is 712196413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304711936 + 9979281 = 17456^2 + 3159^2 .

It is a cyclic number.

It is not a de Polignac number, because 314691217 - 2⁷ = 314691089 is a prime.

It is not a weakly prime, because it can be changed into another prime (314691211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157345608 + 157345609.

It is an arithmetic number, because the mean of its divisors is an integer number (157345609).

Almost surely, 2^314691217 is an apocalyptic number.

It is an amenable number.

314691217 is a deficient number, since it is larger than the sum of its proper divisors (1).

314691217 is an equidigital number, since it uses as much as digits as its factorization.

314691217 is an odious number, because the sum of its binary digits is odd.

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

The square root of 314691217 is about 17739.5382408900. The cubic root of 314691217 is about 680.1868121395.

The spelling of 314691217 in words is "three hundred fourteen million, six hundred ninety-one thousand, two hundred seventeen".