648845082 has 12 divisors (see below), whose sum is σ = 1405831050. Its totient is φ = 216281688.

The previous prime is 648845081. The next prime is 648845089. The reversal of 648845082 is 280548846.

648845082 is a `hidden beast` number, since 64 + 8 + 84 + 508 + 2 = 666.

648845082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 643687641 + 5157441 = 25371^2 + 2271^2 .

It is not an unprimeable number, because it can be changed into a prime (648845081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18023457 + ... + 18023492.

Almost surely, 2^648845082 is an apocalyptic number.

648845082 is an abundant number, since it is smaller than the sum of its proper divisors (756985968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648845082 is a wasteful number, since it uses less digits than its factorization.

648845082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36046957 (or 36046954 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 648845082 is about 25472.4376925335. The cubic root of 648845082 is about 865.7257575235.

The spelling of 648845082 in words is "six hundred forty-eight million, eight hundred forty-five thousand, eighty-two".