260979361 has 4 divisors (see below), whose sum is σ = 265402800. Its totient is φ = 256555924.

The previous prime is 260979347. The next prime is 260979377. The reversal of 260979361 is 163979062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260979361 - 2²⁷ = 126761633 is a prime.

It is a super-2 number, since 2×260979361² = 136220453735936642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260979331) 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, 2211631 + ... + 2211748.

It is an arithmetic number, because the mean of its divisors is an integer number (66350700).

Almost surely, 2^260979361 is an apocalyptic number.

It is an amenable number.

260979361 is a deficient number, since it is larger than the sum of its proper divisors (4423439).

260979361 is an equidigital number, since it uses as much as digits as its factorization.

260979361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423438.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 260979361 is about 16154.8556477611. The cubic root of 260979361 is about 639.0508072908.

The spelling of 260979361 in words is "two hundred sixty million, nine hundred seventy-nine thousand, three hundred sixty-one".