648241207 has 8 divisors (see below), whose sum is σ = 653477184. Its totient is φ = 643022688.

The previous prime is 648241199. The next prime is 648241267. The reversal of 648241207 is 702142846.

It is a happy number.

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 648241207 - 2³ = 648241199 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 (648241267) 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, 76053 + ... + 84145.

It is an arithmetic number, because the mean of its divisors is an integer number (81684648).

Almost surely, 2^648241207 is an apocalyptic number.

648241207 is a deficient number, since it is larger than the sum of its proper divisors (5235977).

648241207 is a wasteful number, since it uses less digits than its factorization.

648241207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8729.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 648241207 is about 25460.5814348377. The cubic root of 648241207 is about 865.4570994489.

The spelling of 648241207 in words is "six hundred forty-eight million, two hundred forty-one thousand, two hundred seven".