648547514 has 16 divisors (see below), whose sum is σ = 1016850240. Its totient is φ = 309645600.

The previous prime is 648547499. The next prime is 648547517. The reversal of 648547514 is 415745846.

It is a super-2 number, since 2×648547514² = 841227755831160392, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (648547517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15917 + ... + 39375.

It is an arithmetic number, because the mean of its divisors is an integer number (63553140).

Almost surely, 2^648547514 is an apocalyptic number.

648547514 is a deficient number, since it is larger than the sum of its proper divisors (368302726).

648547514 is a wasteful number, since it uses less digits than its factorization.

648547514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24085.

The product of its digits is 537600, while the sum is 44.

The square root of 648547514 is about 25466.5960426595. The cubic root of 648547514 is about 865.5933932757.

The spelling of 648547514 in words is "six hundred forty-eight million, five hundred forty-seven thousand, five hundred fourteen".