655847 has 2 divisors, whose sum is σ = 655848. Its totient is φ = 655846.

The previous prime is 655807. The next prime is 655849. The reversal of 655847 is 748556.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655847 is a prime.

Together with 655849, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6² + 5⁴ + 8⁶ + 5⁸ + 4² + 7⁴ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655847.

It is not a weakly prime, because it can be changed into another prime (655849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327923 + 327924.

It is an arithmetic number, because the mean of its divisors is an integer number (327924).

2⁶⁵⁵⁸⁴⁷ is an apocalyptic number.

655847 is a deficient number, since it is larger than the sum of its proper divisors (1).

655847 is an equidigital number, since it uses as much as digits as its factorization.

655847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 655847 is about 809.8438121021. The cubic root of 655847 is about 86.8828740512.

The spelling of 655847 in words is "six hundred fifty-five thousand, eight hundred forty-seven".