648250512 has 320 divisors, whose sum is σ = 2219857920. Its totient is φ = 158257152.

The previous prime is 648250507. The next prime is 648250541. The reversal of 648250512 is 215052846.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6058363 + ... + 6058469.

It is an arithmetic number, because the mean of its divisors is an integer number (6937056).

Almost surely, 2^648250512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648250512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109928960).

648250512 is an abundant number, since it is smaller than the sum of its proper divisors (1571607408).

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

648250512 is a wasteful number, since it uses less digits than its factorization.

648250512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 648250512 is about 25460.7641676364. The cubic root of 648250512 is about 865.4612404177.

The spelling of 648250512 in words is "six hundred forty-eight million, two hundred fifty thousand, five hundred twelve".