648065 has 8 divisors (see below), whose sum is σ = 848448. Its totient is φ = 471280.

The previous prime is 648061. The next prime is 648073. The reversal of 648065 is 560846.

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

It is not a de Polignac number, because 648065 - 2² = 648061 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648065.

It is not an unprimeable number, because it can be changed into a prime (648061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5837 + ... + 5946.

It is an arithmetic number, because the mean of its divisors is an integer number (106056).

2⁶⁴⁸⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

648065 is a deficient number, since it is larger than the sum of its proper divisors (200383).

648065 is a wasteful number, since it uses less digits than its factorization.

648065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11799.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 648065 is about 805.0248443371. The cubic root of 648065 is about 86.5378675236.

The spelling of 648065 in words is "six hundred forty-eight thousand, sixty-five".