675708653 has 4 divisors (see below), whose sum is σ = 675799068. Its totient is φ = 675618240.

The previous prime is 675708599. The next prime is 675708661. The reversal of 675708653 is 356807576.

It is a happy number.

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 287539849 + 388168804 = 16957^2 + 19702^2 .

It is a cyclic number.

It is not a de Polignac number, because 675708653 - 2¹⁸ = 675446509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 675708598 and 675708607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675708853) 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 3 ways as a sum of consecutive naturals, for example, 32876 + ... + 49317.

It is an arithmetic number, because the mean of its divisors is an integer number (168949767).

Almost surely, 2^675708653 is an apocalyptic number.

It is an amenable number.

675708653 is a deficient number, since it is larger than the sum of its proper divisors (90415).

675708653 is an equidigital number, since it uses as much as digits as its factorization.

675708653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90414.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The square root of 675708653 is about 25994.3965692608. The cubic root of 675708653 is about 877.5121939415.

The spelling of 675708653 in words is "six hundred seventy-five million, seven hundred eight thousand, six hundred fifty-three".