260750643 has 4 divisors (see below), whose sum is σ = 347667528. Its totient is φ = 173833760.

The previous prime is 260750603. The next prime is 260750663. The reversal of 260750643 is 346057062.

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

It is a cyclic number.

It is not a de Polignac number, because 260750643 - 2¹⁴ = 260734259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260750603) 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, 43458438 + ... + 43458443.

It is an arithmetic number, because the mean of its divisors is an integer number (86916882).

Almost surely, 2^260750643 is an apocalyptic number.

260750643 is a deficient number, since it is larger than the sum of its proper divisors (86916885).

260750643 is an equidigital number, since it uses as much as digits as its factorization.

260750643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86916884.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 260750643 is about 16147.7751718309. The cubic root of 260750643 is about 638.8640682055.

The spelling of 260750643 in words is "two hundred sixty million, seven hundred fifty thousand, six hundred forty-three".