260539361 has 4 divisors (see below), whose sum is σ = 265455252. Its totient is φ = 255623472.

The previous prime is 260539351. The next prime is 260539373. The reversal of 260539361 is 163935062.

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 80442961 + 180096400 = 8969^2 + 13420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260539361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260539351) 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, 2457866 + ... + 2457971.

It is an arithmetic number, because the mean of its divisors is an integer number (66363813).

Almost surely, 2^260539361 is an apocalyptic number.

It is an amenable number.

260539361 is a deficient number, since it is larger than the sum of its proper divisors (4915891).

260539361 is an equidigital number, since it uses as much as digits as its factorization.

260539361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915890.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 260539361 is about 16141.2317064095. The cubic root of 260539361 is about 638.6914678616.

The spelling of 260539361 in words is "two hundred sixty million, five hundred thirty-nine thousand, three hundred sixty-one".