683517897 has 12 divisors (see below), whose sum is σ = 988176384. Its totient is φ = 455275800.

The previous prime is 683517893. The next prime is 683517899. The reversal of 683517897 is 798715386.

It is not a de Polignac number, because 683517897 - 2² = 683517893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (683517893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22633 + ... + 43350.

It is an arithmetic number, because the mean of its divisors is an integer number (82348032).

Almost surely, 2^683517897 is an apocalyptic number.

It is an amenable number.

683517897 is a deficient number, since it is larger than the sum of its proper divisors (304658487).

683517897 is a wasteful number, since it uses less digits than its factorization.

683517897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67140 (or 67137 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 683517897 is about 26144.1752021363. The cubic root of 683517897 is about 880.8797576743.

The spelling of 683517897 in words is "six hundred eighty-three million, five hundred seventeen thousand, eight hundred ninety-seven".