647065352 has 16 divisors (see below), whose sum is σ = 1217631660. Its totient is φ = 322363584.

The previous prime is 647065337. The next prime is 647065409. The reversal of 647065352 is 253560746.

It can be written as a sum of positive squares in 2 ways, for example, as 620707396 + 26357956 = 24914^2 + 5134^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143783 + ... + 148214.

Almost surely, 2^647065352 is an apocalyptic number.

It is an amenable number.

647065352 is a deficient number, since it is larger than the sum of its proper divisors (570566308).

647065352 is a wasteful number, since it uses less digits than its factorization.

647065352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292280 (or 292276 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 647065352 is about 25437.4792776328. The cubic root of 647065352 is about 864.9334939457.

The spelling of 647065352 in words is "six hundred forty-seven million, sixty-five thousand, three hundred fifty-two".