659049 has 4 divisors (see below), whose sum is σ = 878736. Its totient is φ = 439364.

The previous prime is 659047. The next prime is 659059. The reversal of 659049 is 940956.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 659049 - 2¹ = 659047 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (659047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109839 + ... + 109844.

It is an arithmetic number, because the mean of its divisors is an integer number (219684).

2⁶⁵⁹⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

659049 is a deficient number, since it is larger than the sum of its proper divisors (219687).

659049 is a wasteful number, since it uses less digits than its factorization.

659049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219686.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 659049 is about 811.8183294309. The cubic root of 659049 is about 87.0240388058.

The spelling of 659049 in words is "six hundred fifty-nine thousand, forty-nine".