648524382 has 32 divisors (see below), whose sum is σ = 1453209984. Its totient is φ = 191210400.

The previous prime is 648524329. The next prime is 648524389. The reversal of 648524382 is 283425846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648524389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130344 + ... + 135227.

It is an arithmetic number, because the mean of its divisors is an integer number (45412812).

Almost surely, 2^648524382 is an apocalyptic number.

648524382 is an abundant number, since it is smaller than the sum of its proper divisors (804685602).

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

648524382 is a wasteful number, since it uses less digits than its factorization.

648524382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265624.

The product of its digits is 368640, while the sum is 42.

The square root of 648524382 is about 25466.1418750466. The cubic root of 648524382 is about 865.5831019997.

The spelling of 648524382 in words is "six hundred forty-eight million, five hundred twenty-four thousand, three hundred eighty-two".