260304681 has 16 divisors (see below), whose sum is σ = 427167104. Its totient is φ = 137303424.

The previous prime is 260304647. The next prime is 260304703. The reversal of 260304681 is 186403062.

It is not a de Polignac number, because 260304681 - 2⁷ = 260304553 is a prime.

It is a super-2 number, since 2×260304681² = 135517053901023522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260304601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476476 + ... + 477021.

It is an arithmetic number, because the mean of its divisors is an integer number (26697944).

Almost surely, 2^260304681 is an apocalyptic number.

260304681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

260304681 is a deficient number, since it is larger than the sum of its proper divisors (166862423).

260304681 is a wasteful number, since it uses less digits than its factorization.

260304681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953520.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 260304681 is about 16133.9604871216. The cubic root of 260304681 is about 638.4996438196.

The spelling of 260304681 in words is "two hundred sixty million, three hundred four thousand, six hundred eighty-one".