2556350273 has 2 divisors, whose sum is σ = 2556350274. Its totient is φ = 2556350272.

The previous prime is 2556350221. The next prime is 2556350339. The reversal of 2556350273 is 3720536552.

2556350273 is digitally balanced in base 2, 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., 1335756304 + 1220593969 = 36548^2 + 34937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2556350273 - 2¹⁶ = 2556284737 is a prime.

It is not a weakly prime, because it can be changed into another prime (2558350273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278175136 + 1278175137.

It is an arithmetic number, because the mean of its divisors is an integer number (1278175137).

Almost surely, 2^2556350273 is an apocalyptic number.

It is an amenable number.

2556350273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2556350273 is an equidigital number, since it uses as much as digits as its factorization.

2556350273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 38.

The square root of 2556350273 is about 50560.3626668164. The cubic root of 2556350273 is about 1367.3303496762.

The spelling of 2556350273 in words is "two billion, five hundred fifty-six million, three hundred fifty thousand, two hundred seventy-three".