260534243 has 2 divisors, whose sum is σ = 260534244. Its totient is φ = 260534242.

The previous prime is 260534203. The next prime is 260534293. The reversal of 260534243 is 342435062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260534243 - 2¹⁰ = 260533219 is a prime.

It is not a weakly prime, because it can be changed into another prime (260534203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130267121 + 130267122.

It is an arithmetic number, because the mean of its divisors is an integer number (130267122).

Almost surely, 2^260534243 is an apocalyptic number.

260534243 is a deficient number, since it is larger than the sum of its proper divisors (1).

260534243 is an equidigital number, since it uses as much as digits as its factorization.

260534243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 260534243 is about 16141.0731675437. The cubic root of 260534243 is about 638.6872857113.

The spelling of 260534243 in words is "two hundred sixty million, five hundred thirty-four thousand, two hundred forty-three".