648485355 has 48 divisors (see below), whose sum is σ = 1215177984. Its totient is φ = 294436800.

The previous prime is 648485351. The next prime is 648485381. The reversal of 648485355 is 553584846.

It is a happy number.

It is not a de Polignac number, because 648485355 - 2² = 648485351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (648485351) 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 47 ways as a sum of consecutive naturals, for example, 108064 + ... + 113906.

It is an arithmetic number, because the mean of its divisors is an integer number (25316208).

Almost surely, 2^648485355 is an apocalyptic number.

648485355 is a deficient number, since it is larger than the sum of its proper divisors (566692629).

648485355 is a wasteful number, since it uses less digits than its factorization.

648485355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016 (or 6009 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 48.

The square root of 648485355 is about 25465.3756108171. The cubic root of 648485355 is about 865.5657385870.

The spelling of 648485355 in words is "six hundred forty-eight million, four hundred eighty-five thousand, three hundred fifty-five".