260943091 has 4 divisors (see below), whose sum is σ = 264837832. Its totient is φ = 257048352.

The previous prime is 260943079. The next prime is 260943113. The reversal of 260943091 is 190349062.

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 260943091 - 2⁹ = 260942579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260943041) 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, 1947270 + ... + 1947403.

It is an arithmetic number, because the mean of its divisors is an integer number (66209458).

Almost surely, 2^260943091 is an apocalyptic number.

260943091 is a deficient number, since it is larger than the sum of its proper divisors (3894741).

260943091 is an equidigital number, since it uses as much as digits as its factorization.

260943091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894740.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 260943091 is about 16153.7330360508. The cubic root of 260943091 is about 639.0212015696.

The spelling of 260943091 in words is "two hundred sixty million, nine hundred forty-three thousand, ninety-one".