648105 has 8 divisors (see below), whose sum is σ = 1036992. Its totient is φ = 345648.

The previous prime is 648101. The next prime is 648107. The reversal of 648105 is 501846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 648105 - 2² = 648101 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648105.

It is not an unprimeable number, because it can be changed into a prime (648101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21589 + ... + 21618.

It is an arithmetic number, because the mean of its divisors is an integer number (129624).

2⁶⁴⁸¹⁰⁵ is an apocalyptic number.

It is an amenable number.

648105 is a deficient number, since it is larger than the sum of its proper divisors (388887).

648105 is a wasteful number, since it uses less digits than its factorization.

648105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43215.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 648105 is about 805.0496879075. The cubic root of 648105 is about 86.5396479230.

The spelling of 648105 in words is "six hundred forty-eight thousand, one hundred five".