648141524 has 12 divisors (see below), whose sum is σ = 1200968244. Its totient is φ = 305007744.

The previous prime is 648141493. The next prime is 648141539. The reversal of 648141524 is 425141846.

648141524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 542051524 + 106090000 = 23282^2 + 10300^2 .

It is a congruent number.

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, 4765679 + ... + 4765814.

It is an arithmetic number, because the mean of its divisors is an integer number (100080687).

Almost surely, 2^648141524 is an apocalyptic number.

It is an amenable number.

648141524 is a deficient number, since it is larger than the sum of its proper divisors (552826720).

648141524 is a wasteful number, since it uses less digits than its factorization.

648141524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531514 (or 9531512 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 648141524 is about 25458.6237648464. The cubic root of 648141524 is about 865.4127354161.

The spelling of 648141524 in words is "six hundred forty-eight million, one hundred forty-one thousand, five hundred twenty-four".