648241159 has 4 divisors (see below), whose sum is σ = 648300240. Its totient is φ = 648182080.

The previous prime is 648241157. The next prime is 648241169. The reversal of 648241159 is 951142846.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 648241159 - 2¹ = 648241157 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648241151) 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, 7699 + ... + 36820.

It is an arithmetic number, because the mean of its divisors is an integer number (162075060).

Almost surely, 2^648241159 is an apocalyptic number.

648241159 is a deficient number, since it is larger than the sum of its proper divisors (59081).

648241159 is a wasteful number, since it uses less digits than its factorization.

648241159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59080.

The product of its digits is 69120, while the sum is 40.

The square root of 648241159 is about 25460.5804922040. The cubic root of 648241159 is about 865.4570780875.

The spelling of 648241159 in words is "six hundred forty-eight million, two hundred forty-one thousand, one hundred fifty-nine".