314247719 has 2 divisors, whose sum is σ = 314247720. Its totient is φ = 314247718.

The previous prime is 314247709. The next prime is 314247727. The reversal of 314247719 is 917742413.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314247719 is a prime.

It is a super-2 number, since 2×314247719² = 197503257793405922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314247709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157123859 + 157123860.

It is an arithmetic number, because the mean of its divisors is an integer number (157123860).

Almost surely, 2^314247719 is an apocalyptic number.

314247719 is a deficient number, since it is larger than the sum of its proper divisors (1).

314247719 is an equidigital number, since it uses as much as digits as its factorization.

314247719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 314247719 is about 17727.0335645872. The cubic root of 314247719 is about 679.8671301812.

The spelling of 314247719 in words is "three hundred fourteen million, two hundred forty-seven thousand, seven hundred nineteen".