314997647 has 2 divisors, whose sum is σ = 314997648. Its totient is φ = 314997646.

The previous prime is 314997563. The next prime is 314997667. The reversal of 314997647 is 746799413.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 314997647 - 2¹⁸ = 314735503 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 314997595 and 314997604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314997667) 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, 157498823 + 157498824.

It is an arithmetic number, because the mean of its divisors is an integer number (157498824).

Almost surely, 2^314997647 is an apocalyptic number.

314997647 is a deficient number, since it is larger than the sum of its proper divisors (1).

314997647 is an equidigital number, since it uses as much as digits as its factorization.

314997647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 314997647 is about 17748.1730609097. The cubic root of 314997647 is about 680.4075174082.

The spelling of 314997647 in words is "three hundred fourteen million, nine hundred ninety-seven thousand, six hundred forty-seven".