648714841 has 4 divisors (see below), whose sum is σ = 649026000. Its totient is φ = 648403684.

The previous prime is 648714827. The next prime is 648714863. The reversal of 648714841 is 148417846.

It is a happy number.

648714841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 648714841 - 2¹¹ = 648712793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648714811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152431 + ... + 156628.

It is an arithmetic number, because the mean of its divisors is an integer number (162256500).

Almost surely, 2^648714841 is an apocalyptic number.

It is an amenable number.

648714841 is a deficient number, since it is larger than the sum of its proper divisors (311159).

648714841 is a wasteful number, since it uses less digits than its factorization.

648714841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311158.

The product of its digits is 172032, while the sum is 43.

The square root of 648714841 is about 25469.8810558668. The cubic root of 648714841 is about 865.6678286811.

The spelling of 648714841 in words is "six hundred forty-eight million, seven hundred fourteen thousand, eight hundred forty-one".