647362052 has 6 divisors (see below), whose sum is σ = 1132883598. Its totient is φ = 323681024.

The previous prime is 647362031. The next prime is 647362063. The reversal of 647362052 is 250263746.

It can be written as a sum of positive squares in only one way, i.e., 602015296 + 45346756 = 24536^2 + 6734^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80920253 + ... + 80920260.

It is an arithmetic number, because the mean of its divisors is an integer number (188813933).

Almost surely, 2^647362052 is an apocalyptic number.

It is an amenable number.

647362052 is a deficient number, since it is larger than the sum of its proper divisors (485521546).

647362052 is a wasteful number, since it uses less digits than its factorization.

647362052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161840517 (or 161840515 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 647362052 is about 25443.3105550359. The cubic root of 647362052 is about 865.0656735641.

The spelling of 647362052 in words is "six hundred forty-seven million, three hundred sixty-two thousand, fifty-two".