680251 has 16 divisors (see below), whose sum is σ = 822528. Its totient is φ = 554400.

The previous prime is 680249. The next prime is 680263. The reversal of 680251 is 152086.

It is a happy number.

680251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680251 - 2¹ = 680249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9546 + ... + 9616.

It is an arithmetic number, because the mean of its divisors is an integer number (51408).

2⁶⁸⁰²⁵¹ is an apocalyptic number.

680251 is a deficient number, since it is larger than the sum of its proper divisors (142277).

680251 is a wasteful number, since it uses less digits than its factorization.

680251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 680251 is about 824.7733021867. The cubic root of 680251 is about 87.9474117617.

The spelling of 680251 in words is "six hundred eighty thousand, two hundred fifty-one".