648753 has 8 divisors (see below), whose sum is σ = 988608. Its totient is φ = 370704.

The previous prime is 648731. The next prime is 648763. The reversal of 648753 is 357846.

648753 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 648753 - 2⁶ = 648689 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

648753 is strictly pandigital in base 7.

It is a Curzon number.

648753 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (648763) 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, 15426 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (123576).

2⁶⁴⁸⁷⁵³ is an apocalyptic number.

It is an amenable number.

648753 is a deficient number, since it is larger than the sum of its proper divisors (339855).

648753 is a wasteful number, since it uses less digits than its factorization.

648753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30903.

The product of its digits is 20160, while the sum is 33.

The square root of 648753 is about 805.4520469898. The cubic root of 648753 is about 86.5684801917.

The spelling of 648753 in words is "six hundred forty-eight thousand, seven hundred fifty-three".