260685427 has 8 divisors (see below), whose sum is σ = 272295936. Its totient is φ = 249097992.

The previous prime is 260685401. The next prime is 260685443. The reversal of 260685427 is 724586062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260685427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260685427.

It is not an unprimeable number, because it can be changed into a prime (260685527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19788 + ... + 30214.

It is an arithmetic number, because the mean of its divisors is an integer number (34036992).

Almost surely, 2^260685427 is an apocalyptic number.

260685427 is a deficient number, since it is larger than the sum of its proper divisors (11610509).

260685427 is a wasteful number, since it uses less digits than its factorization.

260685427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11537.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 260685427 is about 16145.7556961574. The cubic root of 260685427 is about 638.8108019475.

The spelling of 260685427 in words is "two hundred sixty million, six hundred eighty-five thousand, four hundred twenty-seven".