648282577 has 16 divisors (see below), whose sum is σ = 693918720. Its totient is φ = 604174032.

The previous prime is 648282511. The next prime is 648282581. The reversal of 648282577 is 775282846.

It is a cyclic number.

It is not a de Polignac number, because 648282577 - 2⁷ = 648282449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 648282577.

It is not an unprimeable number, because it can be changed into a prime (648582577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730428 + ... + 731314.

It is an arithmetic number, because the mean of its divisors is an integer number (43369920).

Almost surely, 2^648282577 is an apocalyptic number.

It is an amenable number.

648282577 is a deficient number, since it is larger than the sum of its proper divisors (45636143).

648282577 is a wasteful number, since it uses less digits than its factorization.

648282577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692.

The product of its digits is 1505280, while the sum is 49.

The square root of 648282577 is about 25461.3938542257. The cubic root of 648282577 is about 865.4755098791.

The spelling of 648282577 in words is "six hundred forty-eight million, two hundred eighty-two thousand, five hundred seventy-seven".