648605102 has 8 divisors (see below), whose sum is σ = 975359496. Its totient is φ = 323485272.

The previous prime is 648605099. The next prime is 648605107. The reversal of 648605102 is 201506846.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648605107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407648 + ... + 409235.

It is an arithmetic number, because the mean of its divisors is an integer number (121919937).

Almost surely, 2^648605102 is an apocalyptic number.

648605102 is a deficient number, since it is larger than the sum of its proper divisors (326754394).

648605102 is a wasteful number, since it uses less digits than its factorization.

648605102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817282.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 648605102 is about 25467.7266751471. The cubic root of 648605102 is about 865.6190127386.

The spelling of 648605102 in words is "six hundred forty-eight million, six hundred five thousand, one hundred two".