260267641 has 4 divisors (see below), whose sum is σ = 261616372. Its totient is φ = 258918912.

The previous prime is 260267621. The next prime is 260267659. The reversal of 260267641 is 146762062.

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 148352400 + 111915241 = 12180^2 + 10579^2 .

It is a cyclic number.

It is not a de Polignac number, because 260267641 - 2⁹ = 260267129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260267597 and 260267606.

It is not an unprimeable number, because it can be changed into a prime (260267621) 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 3 ways as a sum of consecutive naturals, for example, 674076 + ... + 674461.

It is an arithmetic number, because the mean of its divisors is an integer number (65404093).

Almost surely, 2^260267641 is an apocalyptic number.

It is an amenable number.

260267641 is a deficient number, since it is larger than the sum of its proper divisors (1348731).

260267641 is a wasteful number, since it uses less digits than its factorization.

260267641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348730.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 260267641 is about 16132.8125570218. The cubic root of 260267641 is about 638.4693573254.

The spelling of 260267641 in words is "two hundred sixty million, two hundred sixty-seven thousand, six hundred forty-one".