683500725 has 36 divisors (see below), whose sum is σ = 1296246276. Its totient is φ = 343088640.

The previous prime is 683500721. The next prime is 683500771. The reversal of 683500725 is 527005386.

683500725 is a `hidden beast` number, since 6 + 83 + 500 + 72 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 41486481 + 642014244 = 6441^2 + 25338^2 .

It is not a de Polignac number, because 683500725 - 2² = 683500721 is a prime.

It is a super-3 number, since 3×683500725³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 683500725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683500721) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 85522 + ... + 93171.

It is an arithmetic number, because the mean of its divisors is an integer number (36006841).

Almost surely, 2^683500725 is an apocalyptic number.

It is an amenable number.

683500725 is a deficient number, since it is larger than the sum of its proper divisors (612745551).

683500725 is a wasteful number, since it uses less digits than its factorization.

683500725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178726 (or 178718 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 683500725 is about 26143.8467904018. The cubic root of 683500725 is about 880.8723808404.

The spelling of 683500725 in words is "six hundred eighty-three million, five hundred thousand, seven hundred twenty-five".