680254 has 4 divisors (see below), whose sum is σ = 1020384. Its totient is φ = 340126.

The previous prime is 680249. The next prime is 680263. The reversal of 680254 is 452086.

680254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170062 + ... + 170065.

It is an arithmetic number, because the mean of its divisors is an integer number (255096).

2⁶⁸⁰²⁵⁴ is an apocalyptic number.

680254 is a deficient number, since it is larger than the sum of its proper divisors (340130).

680254 is a wasteful number, since it uses less digits than its factorization.

680254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340129.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 680254 is about 824.7751208663. The cubic root of 680254 is about 87.9475410482.

The spelling of 680254 in words is "six hundred eighty thousand, two hundred fifty-four".