648485 has 8 divisors (see below), whose sum is σ = 812160. Its totient is φ = 496144.

The previous prime is 648481. The next prime is 648509. The reversal of 648485 is 584846.

648485 is digitally balanced in base 2, because in such base 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 a cyclic number.

It is not a de Polignac number, because 648485 - 2² = 648481 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648485.

It is not an unprimeable number, because it can be changed into a prime (648481) 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, 2705 + ... + 2934.

It is an arithmetic number, because the mean of its divisors is an integer number (101520).

2⁶⁴⁸⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

648485 is a deficient number, since it is larger than the sum of its proper divisors (163675).

648485 is a wasteful number, since it uses less digits than its factorization.

648485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667.

The product of its digits is 30720, while the sum is 35.

The square root of 648485 is about 805.2856636002. The cubic root of 648485 is about 86.5565580642.

The spelling of 648485 in words is "six hundred forty-eight thousand, four hundred eighty-five".