314277217 has 2 divisors, whose sum is σ = 314277218. Its totient is φ = 314277216.

The previous prime is 314277211. The next prime is 314277241. The reversal of 314277217 is 712772413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270240721 + 44036496 = 16439^2 + 6636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314277217 is a prime.

It is not a weakly prime, because it can be changed into another prime (314277211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157138608 + 157138609.

It is an arithmetic number, because the mean of its divisors is an integer number (157138609).

Almost surely, 2^314277217 is an apocalyptic number.

It is an amenable number.

314277217 is a deficient number, since it is larger than the sum of its proper divisors (1).

314277217 is an equidigital number, since it uses as much as digits as its factorization.

314277217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 34.

The square root of 314277217 is about 17727.8655511598. The cubic root of 314277217 is about 679.8884022456. Note that the first 3 decimals are identical.

The spelling of 314277217 in words is "three hundred fourteen million, two hundred seventy-seven thousand, two hundred seventeen".