648528316 has 6 divisors (see below), whose sum is σ = 1134924560. Its totient is φ = 324264156.

The previous prime is 648528313. The next prime is 648528317. The reversal of 648528316 is 613825846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648528313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81066036 + ... + 81066043.

Almost surely, 2^648528316 is an apocalyptic number.

It is an amenable number.

648528316 is a deficient number, since it is larger than the sum of its proper divisors (486396244).

648528316 is a wasteful number, since it uses less digits than its factorization.

648528316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162132083 (or 162132081 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 648528316 is about 25466.2191147410. The cubic root of 648528316 is about 865.5848522279.

The spelling of 648528316 in words is "six hundred forty-eight million, five hundred twenty-eight thousand, three hundred sixteen".