649150225 has 12 divisors (see below), whose sum is σ = 805277824. Its totient is φ = 519106320.

The previous prime is 649150217. The next prime is 649150259. The reversal of 649150225 is 522051946.

It is a happy number.

649150225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 649150225 - 2³ = 649150217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89692 + ... + 96658.

Almost surely, 2^649150225 is an apocalyptic number.

It is an amenable number.

649150225 is a deficient number, since it is larger than the sum of its proper divisors (156127599).

649150225 is a wasteful number, since it uses less digits than its factorization.

649150225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10704 (or 10699 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 649150225 is about 25478.4266586459. The cubic root of 649150225 is about 865.8614492631.

The spelling of 649150225 in words is "six hundred forty-nine million, one hundred fifty thousand, two hundred twenty-five".