683105 has 4 divisors (see below), whose sum is σ = 819732. Its totient is φ = 546480.

The previous prime is 683087. The next prime is 683119. The reversal of 683105 is 501386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501386 = 2 ⋅250693.

It can be written as a sum of positive squares in 2 ways, for example, as 187489 + 495616 = 433^2 + 704^2 .

It is not a de Polignac number, because 683105 - 2⁶ = 683041 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68306 + ... + 68315.

It is an arithmetic number, because the mean of its divisors is an integer number (204933).

2⁶⁸³¹⁰⁵ is an apocalyptic number.

It is an amenable number.

683105 is a deficient number, since it is larger than the sum of its proper divisors (136627).

683105 is a wasteful number, since it uses less digits than its factorization.

683105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136626.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 683105 is about 826.5016636402. The cubic root of 683105 is about 88.0702349069.

The spelling of 683105 in words is "six hundred eighty-three thousand, one hundred five".