314304643 has 2 divisors, whose sum is σ = 314304644. Its totient is φ = 314304642.

The previous prime is 314304607. The next prime is 314304701. The reversal of 314304643 is 346403413.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314304643 is a prime.

It is a super-2 number, since 2×314304643² = 197574817222714898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (314304743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157152321 + 157152322.

It is an arithmetic number, because the mean of its divisors is an integer number (157152322).

Almost surely, 2^314304643 is an apocalyptic number.

314304643 is a deficient number, since it is larger than the sum of its proper divisors (1).

314304643 is an equidigital number, since it uses as much as digits as its factorization.

314304643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 314304643 is about 17728.6390622631. The cubic root of 314304643 is about 679.9081789225.

The spelling of 314304643 in words is "three hundred fourteen million, three hundred four thousand, six hundred forty-three".