260516819 has 4 divisors (see below), whose sum is σ = 260556696. Its totient is φ = 260476944.

The previous prime is 260516813. The next prime is 260516849. The reversal of 260516819 is 918615062.

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 260516819 - 2⁴ = 260516803 is a prime.

It is a super-2 number, since 2×260516819² = 135738025963757522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260516813) 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, 7589 + ... + 24054.

It is an arithmetic number, because the mean of its divisors is an integer number (65139174).

Almost surely, 2^260516819 is an apocalyptic number.

260516819 is a deficient number, since it is larger than the sum of its proper divisors (39877).

260516819 is an equidigital number, since it uses as much as digits as its factorization.

260516819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39876.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 260516819 is about 16140.5334174556. The cubic root of 260516819 is about 638.6730473585.

The spelling of 260516819 in words is "two hundred sixty million, five hundred sixteen thousand, eight hundred nineteen".