648307130 has 32 divisors (see below), whose sum is σ = 1216664064. Its totient is φ = 248504256.

The previous prime is 648307117. The next prime is 648307133. The reversal of 648307130 is 31703846.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (648307133) 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, 8567 + ... + 37013.

It is an arithmetic number, because the mean of its divisors is an integer number (38020752).

Almost surely, 2^648307130 is an apocalyptic number.

648307130 is a deficient number, since it is larger than the sum of its proper divisors (568356934).

648307130 is a wasteful number, since it uses less digits than its factorization.

648307130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28550.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 648307130 is about 25461.8760110091. The cubic root of 648307130 is about 865.4864360568.

The spelling of 648307130 in words is "six hundred forty-eight million, three hundred seven thousand, one hundred thirty".