648905327 has 4 divisors (see below), whose sum is σ = 741606096. Its totient is φ = 556204560.

The previous prime is 648905321. The next prime is 648905329. The reversal of 648905327 is 723509846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 648905327 - 2⁴ = 648905311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648905321) 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, 46350374 + ... + 46350387.

It is an arithmetic number, because the mean of its divisors is an integer number (185401524).

Almost surely, 2^648905327 is an apocalyptic number.

648905327 is a deficient number, since it is larger than the sum of its proper divisors (92700769).

648905327 is an equidigital number, since it uses as much as digits as its factorization.

648905327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92700768.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 648905327 is about 25473.6202177861. The cubic root of 648905327 is about 865.7525507882.

The spelling of 648905327 in words is "six hundred forty-eight million, nine hundred five thousand, three hundred twenty-seven".