680232113 has 6 divisors (see below), whose sum is σ = 747693282. Its totient is φ = 618392720.

The previous prime is 680232109. The next prime is 680232127. The reversal of 680232113 is 311232086.

It can be written as a sum of positive squares in only one way, i.e., 397723249 + 282508864 = 19943^2 + 16808^2 .

It is not a de Polignac number, because 680232113 - 2² = 680232109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (680232913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2810756 + ... + 2810997.

It is an arithmetic number, because the mean of its divisors is an integer number (124615547).

Almost surely, 2^680232113 is an apocalyptic number.

It is an amenable number.

680232113 is a deficient number, since it is larger than the sum of its proper divisors (67461169).

680232113 is a wasteful number, since it uses less digits than its factorization.

680232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621775 (or 5621764 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 680232113 is about 26081.2598046950. The cubic root of 680232113 is about 879.4659780814.

Adding to 680232113 its reverse (311232086), we get a palindrome (991464199).

The spelling of 680232113 in words is "six hundred eighty million, two hundred thirty-two thousand, one hundred thirteen".