648477314 has 4 divisors (see below), whose sum is σ = 972715974. Its totient is φ = 324238656.

The previous prime is 648477299. The next prime is 648477317. The reversal of 648477314 is 413774846.

648477314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 413774846 = 2 ⋅206887423.

It can be written as a sum of positive squares in only one way, i.e., 429940225 + 218537089 = 20735^2 + 14783^2 .

It is not an unprimeable number, because it can be changed into a prime (648477317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162119327 + ... + 162119330.

Almost surely, 2^648477314 is an apocalyptic number.

648477314 is a deficient number, since it is larger than the sum of its proper divisors (324238660).

648477314 is a wasteful number, since it uses less digits than its factorization.

648477314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324238659.

The product of its digits is 451584, while the sum is 44.

The square root of 648477314 is about 25465.2177292871. The cubic root of 648477314 is about 865.5621609977.

The spelling of 648477314 in words is "six hundred forty-eight million, four hundred seventy-seven thousand, three hundred fourteen".