260340053 has 4 divisors (see below), whose sum is σ = 260840268. Its totient is φ = 259839840.

The previous prime is 260340011. The next prime is 260340061. The reversal of 260340053 is 350043062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350043062 = 2 ⋅175021531.

It can be written as a sum of positive squares in 2 ways, for example, as 172318129 + 88021924 = 13127^2 + 9382^2 .

It is a cyclic number.

It is not a de Polignac number, because 260340053 - 2¹⁰ = 260339029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260340853) 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, 249326 + ... + 250367.

It is an arithmetic number, because the mean of its divisors is an integer number (65210067).

Almost surely, 2^260340053 is an apocalyptic number.

It is an amenable number.

260340053 is a deficient number, since it is larger than the sum of its proper divisors (500215).

260340053 is an equidigital number, since it uses as much as digits as its factorization.

260340053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500214.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 260340053 is about 16135.0566469412. The cubic root of 260340053 is about 638.5285637586.

The spelling of 260340053 in words is "two hundred sixty million, three hundred forty thousand, fifty-three".