647363 has 2 divisors, whose sum is σ = 647364. Its totient is φ = 647362.

The previous prime is 647359. The next prime is 647371. The reversal of 647363 is 363746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 647363 - 2² = 647359 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 647363.

It is not a weakly prime, because it can be changed into another prime (647303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323681 + 323682.

It is an arithmetic number, because the mean of its divisors is an integer number (323682).

2⁶⁴⁷³⁶³ is an apocalyptic number.

647363 is a deficient number, since it is larger than the sum of its proper divisors (1).

647363 is an equidigital number, since it uses as much as digits as its factorization.

647363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 29.

The square root of 647363 is about 804.5887148102. The cubic root of 647363 is about 86.5066095833.

The spelling of 647363 in words is "six hundred forty-seven thousand, three hundred sixty-three".