647471303 has 16 divisors (see below), whose sum is σ = 700976640. Its totient is φ = 596030400.

The previous prime is 647471269. The next prime is 647471311. The reversal of 647471303 is 303174746.

647471303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 647471303 - 2²⁰ = 646422727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647471203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209576 + ... + 212642.

It is an arithmetic number, because the mean of its divisors is an integer number (43811040).

Almost surely, 2^647471303 is an apocalyptic number.

647471303 is a deficient number, since it is larger than the sum of its proper divisors (53505337).

647471303 is a wasteful number, since it uses less digits than its factorization.

647471303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 647471303 is about 25445.4574138489. The cubic root of 647471303 is about 865.1143346256.

It can be divided in two parts, 6474 and 71303, that added together give a palindrome (77777).

The spelling of 647471303 in words is "six hundred forty-seven million, four hundred seventy-one thousand, three hundred three".