680515 has 8 divisors (see below), whose sum is σ = 890928. Its totient is φ = 494880.

The previous prime is 680509. The next prime is 680531. The reversal of 680515 is 515086.

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

It is not a de Polignac number, because 680515 - 2³ = 680507 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 680515.

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, 6132 + ... + 6241.

It is an arithmetic number, because the mean of its divisors is an integer number (111366).

2⁶⁸⁰⁵¹⁵ is an apocalyptic number.

680515 is a deficient number, since it is larger than the sum of its proper divisors (210413).

680515 is a wasteful number, since it uses less digits than its factorization.

680515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12389.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 680515 is about 824.9333306395. The cubic root of 680515 is about 87.9587875204.

The spelling of 680515 in words is "six hundred eighty thousand, five hundred fifteen".