648775310 has 32 divisors (see below), whose sum is σ = 1207084032. Its totient is φ = 250913440.

The previous prime is 648775291. The next prime is 648775313. The reversal of 648775310 is 13577846.

648775310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×648775310² = 841818805731192200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648775313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30695 + ... + 47325.

It is an arithmetic number, because the mean of its divisors is an integer number (37721376).

Almost surely, 2^648775310 is an apocalyptic number.

648775310 is a deficient number, since it is larger than the sum of its proper divisors (558308722).

648775310 is a wasteful number, since it uses less digits than its factorization.

648775310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16768.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 648775310 is about 25471.0680969605. The cubic root of 648775310 is about 865.6947251633.

The spelling of 648775310 in words is "six hundred forty-eight million, seven hundred seventy-five thousand, three hundred ten".