648647041 has 8 divisors (see below), whose sum is σ = 749640960. Its totient is φ = 549735648.

The previous prime is 648647029. The next prime is 648647057. The reversal of 648647041 is 140746846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 648647041 - 2⁵ = 648647009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 648646985 and 648647003.

It is not an unprimeable number, because it can be changed into a prime (648647071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519961 + ... + 521206.

It is an arithmetic number, because the mean of its divisors is an integer number (93705120).

Almost surely, 2^648647041 is an apocalyptic number.

It is an amenable number.

648647041 is a deficient number, since it is larger than the sum of its proper divisors (100993919).

648647041 is a wasteful number, since it uses less digits than its factorization.

648647041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041263.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 648647041 is about 25468.5500372518. The cubic root of 648647041 is about 865.6376693980.

The spelling of 648647041 in words is "six hundred forty-eight million, six hundred forty-seven thousand, forty-one".