855648341 has 2 divisors, whose sum is σ = 855648342. Its totient is φ = 855648340.

The previous prime is 855648293. The next prime is 855648373. The reversal of 855648341 is 143846558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 584914225 + 270734116 = 24185^2 + 16454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-855648341 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 855648292 and 855648301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855644341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427824170 + 427824171.

It is an arithmetic number, because the mean of its divisors is an integer number (427824171).

Almost surely, 2^855648341 is an apocalyptic number.

It is an amenable number.

855648341 is a deficient number, since it is larger than the sum of its proper divisors (1).

855648341 is an equidigital number, since it uses as much as digits as its factorization.

855648341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460800, while the sum is 44.

The square root of 855648341 is about 29251.4673307169. The cubic root of 855648341 is about 949.3618395571.

The spelling of 855648341 in words is "eight hundred fifty-five million, six hundred forty-eight thousand, three hundred forty-one".