2600065133 has 4 divisors (see below), whose sum is σ = 2660531808. Its totient is φ = 2539598460.

The previous prime is 2600065123. The next prime is 2600065141. The reversal of 2600065133 is 3315600062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2600065133 - 2²⁶ = 2532956269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2600065103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30233273 + ... + 30233358.

It is an arithmetic number, because the mean of its divisors is an integer number (665132952).

Almost surely, 2^2600065133 is an apocalyptic number.

It is an amenable number.

2600065133 is a deficient number, since it is larger than the sum of its proper divisors (60466675).

2600065133 is an equidigital number, since it uses as much as digits as its factorization.

2600065133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60466674.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2600065133 is about 50990.8338135395. The cubic root of 2600065133 is about 1375.0803493322.

Adding to 2600065133 its reverse (3315600062), we get a palindrome (5915665195).

The spelling of 2600065133 in words is "two billion, six hundred million, sixty-five thousand, one hundred thirty-three".