683168525 has 12 divisors (see below), whose sum is σ = 912293172. Its totient is φ = 504493440.

The previous prime is 683168501. The next prime is 683168557. The reversal of 683168525 is 525861386.

It can be written as a sum of positive squares in 6 ways, for example, as 75151561 + 608016964 = 8669^2 + 24658^2 .

It is a de Polignac number, because none of the positive numbers 2^k-683168525 is a prime.

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1050704 + ... + 1051353.

It is an arithmetic number, because the mean of its divisors is an integer number (76024431).

Almost surely, 2^683168525 is an apocalyptic number.

683168525 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

683168525 is a deficient number, since it is larger than the sum of its proper divisors (229124647).

683168525 is a wasteful number, since it uses less digits than its factorization.

683168525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102080 (or 2102075 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 683168525 is about 26137.4927068378. The cubic root of 683168525 is about 880.7296483775.

The spelling of 683168525 in words is "six hundred eighty-three million, one hundred sixty-eight thousand, five hundred twenty-five".