683456285 has 4 divisors (see below), whose sum is σ = 820147548. Its totient is φ = 546765024.

The previous prime is 683456251. The next prime is 683456297. The reversal of 683456285 is 582654386.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 505260484 + 178195801 = 22478^2 + 13349^2 .

It is a cyclic number.

It is not a de Polignac number, because 683456285 - 2¹⁰ = 683455261 is a prime.

It is a super-2 number, since 2×683456285² = 934224987012002450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 68345624 + ... + 68345633.

It is an arithmetic number, because the mean of its divisors is an integer number (205036887).

Almost surely, 2^683456285 is an apocalyptic number.

It is an amenable number.

683456285 is a deficient number, since it is larger than the sum of its proper divisors (136691263).

683456285 is a wasteful number, since it uses less digits than its factorization.

683456285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136691262.

The product of its digits is 1382400, while the sum is 47.

The square root of 683456285 is about 26142.9968634049. The cubic root of 683456285 is about 880.8532895088.

The spelling of 683456285 in words is "six hundred eighty-three million, four hundred fifty-six thousand, two hundred eighty-five".