648675 has 36 divisors (see below), whose sum is σ = 1231320. Its totient is φ = 334800.

The previous prime is 648671. The next prime is 648677. The reversal of 648675 is 576846.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

648675 is a `hidden beast` number, since 648 + 6 + 7 + 5 = 666.

It is not a de Polignac number, because 648675 - 2² = 648671 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (648671) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20910 + ... + 20940.

2⁶⁴⁸⁶⁷⁵ is an apocalyptic number.

648675 is a deficient number, since it is larger than the sum of its proper divisors (582645).

648675 is a wasteful number, since it uses less digits than its factorization.

648675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 39 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 648675 is about 805.4036255195. The cubic root of 648675 is about 86.5650106576.

It can be divided in two parts, 6486 and 75, that added together give a 8-th power (6561 = 3⁸).

The spelling of 648675 in words is "six hundred forty-eight thousand, six hundred seventy-five".