648524 has 12 divisors (see below), whose sum is σ = 1142064. Its totient is φ = 322224.

The previous prime is 648509. The next prime is 648563. The reversal of 648524 is 425846.

648524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377 + ... + 1199.

It is an arithmetic number, because the mean of its divisors is an integer number (95172).

2⁶⁴⁸⁵²⁴ is an apocalyptic number.

It is an amenable number.

648524 is a deficient number, since it is larger than the sum of its proper divisors (493540).

648524 is a wasteful number, since it uses less digits than its factorization.

648524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1022 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 648524 is about 805.3098782456. The cubic root of 648524 is about 86.5582932048.

The spelling of 648524 in words is "six hundred forty-eight thousand, five hundred twenty-four".