648112041 has 6 divisors (see below), whose sum is σ = 936161850. Its totient is φ = 432074688.

The previous prime is 648112033. The next prime is 648112043. The reversal of 648112041 is 140211846.

It is a happy number.

648112041 is a `hidden beast` number, since 648 + 1 + 12 + 0 + 4 + 1 = 666.

648112041 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 only one way, i.e., 629006400 + 19105641 = 25080^2 + 4371^2 .

It is not a de Polignac number, because 648112041 - 2³ = 648112033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 648111996 and 648112014.

It is not an unprimeable number, because it can be changed into a prime (648112043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36006216 + ... + 36006233.

It is an arithmetic number, because the mean of its divisors is an integer number (156026975).

Almost surely, 2^648112041 is an apocalyptic number.

It is an amenable number.

648112041 is a deficient number, since it is larger than the sum of its proper divisors (288049809).

648112041 is a wasteful number, since it uses less digits than its factorization.

648112041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72012455 (or 72012452 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 648112041 is about 25458.0447206772. The cubic root of 648112041 is about 865.3996131017.

Adding to 648112041 its reverse (140211846), we get a palindrome (788323887).

The spelling of 648112041 in words is "six hundred forty-eight million, one hundred twelve thousand, forty-one".