648207197 has 8 divisors (see below), whose sum is σ = 707325600. Its totient is φ = 589120560.

The previous prime is 648207187. The next prime is 648207239. The reversal of 648207197 is 791702846.

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

It is a cyclic number.

It is not a de Polignac number, because 648207197 - 2⁸ = 648206941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648207187) 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 7 ways as a sum of consecutive naturals, for example, 60179 + ... + 70127.

It is an arithmetic number, because the mean of its divisors is an integer number (88415700).

Almost surely, 2^648207197 is an apocalyptic number.

It is an amenable number.

648207197 is a deficient number, since it is larger than the sum of its proper divisors (59118403).

648207197 is a wasteful number, since it uses less digits than its factorization.

648207197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15883.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 648207197 is about 25459.9135308822. The cubic root of 648207197 is about 865.4419637708.

The spelling of 648207197 in words is "six hundred forty-eight million, two hundred seven thousand, one hundred ninety-seven".