680413 has 4 divisors (see below), whose sum is σ = 686880. Its totient is φ = 673948.

The previous prime is 680411. The next prime is 680417. The reversal of 680413 is 314086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 680413 - 2¹ = 680411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680411) 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 3 ways as a sum of consecutive naturals, for example, 3073 + ... + 3286.

It is an arithmetic number, because the mean of its divisors is an integer number (171720).

2⁶⁸⁰⁴¹³ is an apocalyptic number.

It is an amenable number.

680413 is a deficient number, since it is larger than the sum of its proper divisors (6467).

680413 is a wasteful number, since it uses less digits than its factorization.

680413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 680413 is about 824.8715051449. The cubic root of 680413 is about 87.9543926897.

Adding to 680413 its reverse (314086), we get a palindrome (994499).

The spelling of 680413 in words is "six hundred eighty thousand, four hundred thirteen".