648536502 has 32 divisors (see below), whose sum is σ = 1374462432. Its totient is φ = 203300864.

The previous prime is 648536501. The next prime is 648536509. The reversal of 648536502 is 205635846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648536501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242758 + ... + 245414.

It is an arithmetic number, because the mean of its divisors is an integer number (42951951).

Almost surely, 2^648536502 is an apocalyptic number.

648536502 is an abundant number, since it is smaller than the sum of its proper divisors (725925930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648536502 is a wasteful number, since it uses less digits than its factorization.

648536502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 648536502 is about 25466.3798369537. The cubic root of 648536502 is about 865.5884941392.

The spelling of 648536502 in words is "six hundred forty-eight million, five hundred thirty-six thousand, five hundred two".