683511345 has 64 divisors (see below), whose sum is σ = 1329868800. Its totient is φ = 330333120.

The previous prime is 683511319. The next prime is 683511419. The reversal of 683511345 is 543115386.

683511345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 683511345 - 2⁵ = 683511313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 657336 + ... + 658374.

It is an arithmetic number, because the mean of its divisors is an integer number (20779200).

Almost surely, 2^683511345 is an apocalyptic number.

It is an amenable number.

683511345 is a deficient number, since it is larger than the sum of its proper divisors (646357455).

683511345 is a wasteful number, since it uses less digits than its factorization.

683511345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507 (or 1501 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 683511345 is about 26144.0498966782. The cubic root of 683511345 is about 880.8769430478.

It can be divided in two parts, 68351 and 1345, that added together give a palindrome (69696).

The spelling of 683511345 in words is "six hundred eighty-three million, five hundred eleven thousand, three hundred forty-five".