648315 has 12 divisors (see below), whose sum is σ = 1123824. Its totient is φ = 345744.

The previous prime is 648293. The next prime is 648317. The reversal of 648315 is 513846.

648315 is a `hidden beast` number, since 648 + 3 + 15 = 666.

It is not a de Polignac number, because 648315 - 2⁵ = 648283 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 not an unprimeable number, because it can be changed into a prime (648317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7159 + ... + 7248.

It is an arithmetic number, because the mean of its divisors is an integer number (93652).

2⁶⁴⁸³¹⁵ is an apocalyptic number.

648315 is a deficient number, since it is larger than the sum of its proper divisors (475509).

648315 is a wasteful number, since it uses less digits than its factorization.

648315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14418 (or 14415 counting only the distinct ones).

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

The square root of 648315 is about 805.1801040761. The cubic root of 648315 is about 86.5489938178.

The spelling of 648315 in words is "six hundred forty-eight thousand, three hundred fifteen".