647435452 has 24 divisors (see below), whose sum is σ = 1151916192. Its totient is φ = 318360000.

The previous prime is 647435449. The next prime is 647435473. The reversal of 647435452 is 254534746.

647435452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55698 + ... + 66310.

It is an arithmetic number, because the mean of its divisors is an integer number (47996508).

Almost surely, 2^647435452 is an apocalyptic number.

It is an amenable number.

647435452 is a deficient number, since it is larger than the sum of its proper divisors (504480740).

647435452 is a wasteful number, since it uses less digits than its factorization.

647435452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10869 (or 10867 counting only the distinct ones).

The product of its digits is 403200, while the sum is 40.

The square root of 647435452 is about 25444.7529365093. The cubic root of 647435452 is about 865.0983669750.

The spelling of 647435452 in words is "six hundred forty-seven million, four hundred thirty-five thousand, four hundred fifty-two".