648485357 has 16 divisors (see below), whose sum is σ = 704386368. Its totient is φ = 593472000.

The previous prime is 648485351. The next prime is 648485381. The reversal of 648485357 is 753584846.

It is a cyclic number.

It is not a de Polignac number, because 648485357 - 2⁶ = 648485293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648485351) 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, 1151558 + ... + 1152120.

It is an arithmetic number, because the mean of its divisors is an integer number (44024148).

Almost surely, 2^648485357 is an apocalyptic number.

It is an amenable number.

648485357 is a deficient number, since it is larger than the sum of its proper divisors (55901011).

648485357 is a wasteful number, since it uses less digits than its factorization.

648485357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its digits is 3225600, while the sum is 50.

The square root of 648485357 is about 25465.3756500861. The cubic root of 648485357 is about 865.5657394769.

The spelling of 648485357 in words is "six hundred forty-eight million, four hundred eighty-five thousand, three hundred fifty-seven".