260081331 has 4 divisors (see below), whose sum is σ = 346775112. Its totient is φ = 173387552.

The previous prime is 260081293. The next prime is 260081359. The reversal of 260081331 is 133180062.

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 260081331 - 2⁹ = 260080819 is a prime.

It is a super-2 number, since 2×260081331² = 135284597469463122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260081231) 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 3 ways as a sum of consecutive naturals, for example, 43346886 + ... + 43346891.

It is an arithmetic number, because the mean of its divisors is an integer number (86693778).

Almost surely, 2^260081331 is an apocalyptic number.

260081331 is a deficient number, since it is larger than the sum of its proper divisors (86693781).

260081331 is an equidigital number, since it uses as much as digits as its factorization.

260081331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86693780.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 260081331 is about 16127.0372666525. The cubic root of 260081331 is about 638.3169736476.

The spelling of 260081331 in words is "two hundred sixty million, eighty-one thousand, three hundred thirty-one".