648214507 has 8 divisors (see below), whose sum is σ = 700773200. Its totient is φ = 597500064.

The previous prime is 648214493. The next prime is 648214519. The reversal of 648214507 is 705412846.

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 648214507 - 2¹⁵ = 648181739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (648214547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460332 + ... + 461737.

It is an arithmetic number, because the mean of its divisors is an integer number (87596650).

Almost surely, 2^648214507 is an apocalyptic number.

648214507 is a deficient number, since it is larger than the sum of its proper divisors (52558693).

648214507 is a wasteful number, since it uses less digits than its factorization.

648214507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922125.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 648214507 is about 25460.0570894882. The cubic root of 648214507 is about 865.4452170294.

The spelling of 648214507 in words is "six hundred forty-eight million, two hundred fourteen thousand, five hundred seven".