260485647 has 4 divisors (see below), whose sum is σ = 347314200. Its totient is φ = 173657096.

The previous prime is 260485637. The next prime is 260485657. The reversal of 260485647 is 746584062.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (260485637) and next prime (260485657).

It is a cyclic number.

It is not a de Polignac number, because 260485647 - 2⁸ = 260485391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260485599 and 260485608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260485637) 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, 43414272 + ... + 43414277.

It is an arithmetic number, because the mean of its divisors is an integer number (86828550).

Almost surely, 2^260485647 is an apocalyptic number.

260485647 is a deficient number, since it is larger than the sum of its proper divisors (86828553).

260485647 is an equidigital number, since it uses as much as digits as its factorization.

260485647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86828552.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 260485647 is about 16139.5677451411. The cubic root of 260485647 is about 638.6475729823.

It can be divided in two parts, 2604856 and 47, that added together give a triangular number (2604903 = T₂₂₈₂).

The spelling of 260485647 in words is "two hundred sixty million, four hundred eighty-five thousand, six hundred forty-seven".