260645113 has 4 divisors (see below), whose sum is σ = 264215668. Its totient is φ = 257074560.

The previous prime is 260645107. The next prime is 260645123. The reversal of 260645113 is 311546062.

260645113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311546062 = 2 ⋅155773031.

It can be written as a sum of positive squares in 2 ways, for example, as 214241769 + 46403344 = 14637^2 + 6812^2 .

It is a cyclic number.

It is not a de Polignac number, because 260645113 - 2⁵ = 260645081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260645123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785168 + ... + 1785313.

It is an arithmetic number, because the mean of its divisors is an integer number (66053917).

Almost surely, 2^260645113 is an apocalyptic number.

It is an amenable number.

260645113 is a deficient number, since it is larger than the sum of its proper divisors (3570555).

260645113 is an equidigital number, since it uses as much as digits as its factorization.

260645113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570554.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 260645113 is about 16144.5072083356. The cubic root of 260645113 is about 638.7778703709. Note that the first 3 decimals are identical.

The spelling of 260645113 in words is "two hundred sixty million, six hundred forty-five thousand, one hundred thirteen".