260342261 has 4 divisors (see below), whose sum is σ = 260376012. Its totient is φ = 260308512.

The previous prime is 260342231. The next prime is 260342263. The reversal of 260342261 is 162243062.

260342261 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 a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 199346161 + 60996100 = 14119^2 + 7810^2 .

It is a cyclic number.

It is not a de Polignac number, because 260342261 - 2⁶ = 260342197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260342261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260342263) 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, 1025 + ... + 22841.

It is an arithmetic number, because the mean of its divisors is an integer number (65094003).

Almost surely, 2^260342261 is an apocalyptic number.

It is an amenable number.

260342261 is a deficient number, since it is larger than the sum of its proper divisors (33751).

260342261 is a wasteful number, since it uses less digits than its factorization.

260342261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33750.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 260342261 is about 16135.1250692395. The cubic root of 260342261 is about 638.5303689196.

The spelling of 260342261 in words is "two hundred sixty million, three hundred forty-two thousand, two hundred sixty-one".