260143313 has 4 divisors (see below), whose sum is σ = 261279540. Its totient is φ = 259007088.

The previous prime is 260143309. The next prime is 260143321. The reversal of 260143313 is 313341062.

260143313 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.

It can be written as a sum of positive squares in 2 ways, for example, as 174451264 + 85692049 = 13208^2 + 9257^2 .

It is a cyclic number.

It is not a de Polignac number, because 260143313 - 2² = 260143309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260143813) 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, 567770 + ... + 568227.

It is an arithmetic number, because the mean of its divisors is an integer number (65319885).

Almost surely, 2^260143313 is an apocalyptic number.

It is an amenable number.

260143313 is a deficient number, since it is larger than the sum of its proper divisors (1136227).

260143313 is a wasteful number, since it uses less digits than its factorization.

260143313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136226.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 260143313 is about 16128.9588318651. The cubic root of 260143313 is about 638.3676770435.

Adding to 260143313 its reverse (313341062), we get a palindrome (573484375).

The spelling of 260143313 in words is "two hundred sixty million, one hundred forty-three thousand, three hundred thirteen".