Search a number
-
+
8555025361 is a prime number
BaseRepresentation
bin1111111011110101…
…10101001111010001
3211002012210022120011
413331322311033101
5120010041302421
63532523514521
7422000341621
oct77572651721
924065708504
108555025361
1136a00a81a3
1217a9088a41
13a64522aac
145b22a4881
153510d24e1
hex1fdeb53d1

8555025361 has 2 divisors, whose sum is σ = 8555025362. Its totient is φ = 8555025360.

The previous prime is 8555025359. The next prime is 8555025377. The reversal of 8555025361 is 1635205558.

8555025361 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5972352961 + 2582672400 = 77281^2 + 50820^2 .

It is a cyclic number.

It is not a de Polignac number, because 8555025361 - 21 = 8555025359 is a prime.

Together with 8555025359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8555025331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4277512680 + 4277512681.

It is an arithmetic number, because the mean of its divisors is an integer number (4277512681).

Almost surely, 28555025361 is an apocalyptic number.

It is an amenable number.

8555025361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8555025361 is an equidigital number, since it uses as much as digits as its factorization.

8555025361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 8555025361 is about 92493.3800928477. The cubic root of 8555025361 is about 2045.2218968014.

The spelling of 8555025361 in words is "eight billion, five hundred fifty-five million, twenty-five thousand, three hundred sixty-one".