648147 has 16 divisors (see below), whose sum is σ = 927360. Its totient is φ = 401472.

The previous prime is 648133. The next prime is 648173. The reversal of 648147 is 741846.

It is not a de Polignac number, because 648147 - 2⁷ = 648019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (648107) 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, 4663 + ... + 4799.

It is an arithmetic number, because the mean of its divisors is an integer number (57960).

2⁶⁴⁸¹⁴⁷ is an apocalyptic number.

648147 is a deficient number, since it is larger than the sum of its proper divisors (279213).

648147 is a wasteful number, since it uses less digits than its factorization.

648147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242.

The product of its digits is 5376, while the sum is 30.

The square root of 648147 is about 805.0757728314. The cubic root of 648147 is about 86.5415172634.

It can be divided in two parts, 6 and 48147, that multiplied together give a palindrome (288882).

The spelling of 648147 in words is "six hundred forty-eight thousand, one hundred forty-seven".