260650243 has 16 divisors (see below), whose sum is σ = 305807040. Its totient is φ = 217497600.

The previous prime is 260650241. The next prime is 260650249. The reversal of 260650243 is 342056062.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 260650243 - 2¹ = 260650241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260650241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220113 + ... + 221293.

It is an arithmetic number, because the mean of its divisors is an integer number (19112940).

Almost surely, 2^260650243 is an apocalyptic number.

260650243 is a deficient number, since it is larger than the sum of its proper divisors (45156797).

260650243 is a wasteful number, since it uses less digits than its factorization.

260650243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 260650243 is about 16144.6660851193. Note that the first 3 decimals coincide. The cubic root of 260650243 is about 638.7820611381.

The spelling of 260650243 in words is "two hundred sixty million, six hundred fifty thousand, two hundred forty-three".