680351 has 8 divisors (see below), whose sum is σ = 787584. Its totient is φ = 575640.

The previous prime is 680347. The next prime is 680353. The reversal of 680351 is 153086.

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

It is a cyclic number.

It is not a de Polignac number, because 680351 - 2² = 680347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (98448).

2⁶⁸⁰³⁵¹ is an apocalyptic number.

680351 is a deficient number, since it is larger than the sum of its proper divisors (107233).

680351 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (680350) it forms an eRAP, since the sums of their prime factors are consecutive (1260 and 1261).

680351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 680351 is about 824.8339226778. The cubic root of 680351 is about 87.9517211074.

The spelling of 680351 in words is "six hundred eighty thousand, three hundred fifty-one".