659825049 has 32 divisors (see below), whose sum is σ = 981163008. Its totient is φ = 391680000.

The previous prime is 659825041. The next prime is 659825053. The reversal of 659825049 is 940528956.

It is not a de Polignac number, because 659825049 - 2³ = 659825041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 659824989 and 659825007.

It is not an unprimeable number, because it can be changed into a prime (659825041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484129 + ... + 485489.

It is an arithmetic number, because the mean of its divisors is an integer number (30661344).

Almost surely, 2^659825049 is an apocalyptic number.

It is an amenable number.

659825049 is a deficient number, since it is larger than the sum of its proper divisors (321337959).

659825049 is a wasteful number, since it uses less digits than its factorization.

659825049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 659825049 is about 25687.0599524352. The cubic root of 659825049 is about 870.5818317015.

The spelling of 659825049 in words is "six hundred fifty-nine million, eight hundred twenty-five thousand, forty-nine".