648135 has 16 divisors (see below), whose sum is σ = 1152480. Its totient is φ = 345600.

The previous prime is 648133. The next prime is 648173. The reversal of 648135 is 531846.

648135 is a `hidden beast` number, since 648 + 13 + 5 = 666.

It is not a de Polignac number, because 648135 - 2¹ = 648133 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 648099 and 648108.

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 648135.

It is not an unprimeable number, because it can be changed into a prime (648133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2266 + ... + 2535.

It is an arithmetic number, because the mean of its divisors is an integer number (72030).

2⁶⁴⁸¹³⁵ is an apocalyptic number.

648135 is a deficient number, since it is larger than the sum of its proper divisors (504345).

648135 is a wasteful number, since it uses less digits than its factorization.

648135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4815 (or 4809 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 648135 is about 805.0683200822. The cubic root of 648135 is about 86.5409831744.

The spelling of 648135 in words is "six hundred forty-eight thousand, one hundred thirty-five".