649596825 has 72 divisors (see below), whose sum is σ = 1210818336. Its totient is φ = 332640000.

The previous prime is 649596817. The next prime is 649596853. The reversal of 649596825 is 528695946.

It is a happy number.

649596825 is a `hidden beast` number, since 6 + 49 + 596 + 8 + 2 + 5 = 666.

649596825 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 649596825 - 2³ = 649596817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 617550 + ... + 618600.

Almost surely, 2^649596825 is an apocalyptic number.

It is an amenable number.

649596825 is a deficient number, since it is larger than the sum of its proper divisors (561221511).

649596825 is a wasteful number, since it uses less digits than its factorization.

649596825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1167 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 649596825 is about 25487.1894292015. The cubic root of 649596825 is about 866.0599678101.

The spelling of 649596825 in words is "six hundred forty-nine million, five hundred ninety-six thousand, eight hundred twenty-five".