260688245 has 8 divisors (see below), whose sum is σ = 315077280. Its totient is φ = 207049680.

The previous prime is 260688193. The next prime is 260688257. The reversal of 260688245 is 542886062.

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

It is not a de Polignac number, because 260688245 - 2²⁰ = 259639669 is a prime.

It is a super-2 number, since 2×260688245² = 135916722162360050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186851 + ... + 188240.

It is an arithmetic number, because the mean of its divisors is an integer number (39384660).

Almost surely, 2^260688245 is an apocalyptic number.

It is an amenable number.

260688245 is a deficient number, since it is larger than the sum of its proper divisors (54389035).

260688245 is a wasteful number, since it uses less digits than its factorization.

260688245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375235.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 260688245 is about 16145.8429634380. The cubic root of 260688245 is about 638.8131037797.

The spelling of 260688245 in words is "two hundred sixty million, six hundred eighty-eight thousand, two hundred forty-five".