680241205 has 16 divisors (see below), whose sum is σ = 941466240. Its totient is φ = 462169152.

The previous prime is 680241181. The next prime is 680241239. The reversal of 680241205 is 502142086.

It is a cyclic number.

It is not a de Polignac number, because 680241205 - 2²⁵ = 646686773 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 85339 + ... + 92968.

It is an arithmetic number, because the mean of its divisors is an integer number (58841640).

Almost surely, 2^680241205 is an apocalyptic number.

It is an amenable number.

680241205 is a deficient number, since it is larger than the sum of its proper divisors (261225035).

680241205 is a wasteful number, since it uses less digits than its factorization.

680241205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178428.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 680241205 is about 26081.4341055088. The cubic root of 680241205 is about 879.4698963856.

The spelling of 680241205 in words is "six hundred eighty million, two hundred forty-one thousand, two hundred five".