2560645133 has 8 divisors (see below), whose sum is σ = 2570848800. Its totient is φ = 2550462768.

The previous prime is 2560645123. The next prime is 2560645159. The reversal of 2560645133 is 3315460652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2560645133 - 2¹⁶ = 2560579597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2560645093 and 2560645102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560645123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261398 + ... + 271016.

It is an arithmetic number, because the mean of its divisors is an integer number (321356100).

Almost surely, 2^2560645133 is an apocalyptic number.

It is an amenable number.

2560645133 is a deficient number, since it is larger than the sum of its proper divisors (10203667).

2560645133 is an equidigital number, since it uses as much as digits as its factorization.

2560645133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10651.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2560645133 is about 50602.8174413244. The cubic root of 2560645133 is about 1368.0956603891.

The spelling of 2560645133 in words is "two billion, five hundred sixty million, six hundred forty-five thousand, one hundred thirty-three".