647712353 has 2 divisors, whose sum is σ = 647712354. Its totient is φ = 647712352.

The previous prime is 647712349. The next prime is 647712379. The reversal of 647712353 is 353217746.

647712353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407555344 + 240157009 = 20188^2 + 15497^2 .

It is a cyclic number.

It is not a de Polignac number, because 647712353 - 2² = 647712349 is a prime.

It is a super-3 number, since 3×647712353³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (647712253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323856176 + 323856177.

It is an arithmetic number, because the mean of its divisors is an integer number (323856177).

Almost surely, 2^647712353 is an apocalyptic number.

It is an amenable number.

647712353 is a deficient number, since it is larger than the sum of its proper divisors (1).

647712353 is an equidigital number, since it uses as much as digits as its factorization.

647712353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 647712353 is about 25450.1935749023. The cubic root of 647712353 is about 865.2216804059.

The spelling of 647712353 in words is "six hundred forty-seven million, seven hundred twelve thousand, three hundred fifty-three".