659039 has 4 divisors (see below), whose sum is σ = 697824. Its totient is φ = 620256.

The previous prime is 659023. The next prime is 659047. The reversal of 659039 is 930956.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 659039 - 2⁴ = 659023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 658996 and 659014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659059) 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 3 ways as a sum of consecutive naturals, for example, 19367 + ... + 19400.

It is an arithmetic number, because the mean of its divisors is an integer number (174456).

2⁶⁵⁹⁰³⁹ is an apocalyptic number.

659039 is a deficient number, since it is larger than the sum of its proper divisors (38785).

659039 is a wasteful number, since it uses less digits than its factorization.

659039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38784.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 659039 is about 811.8121703941. The cubic root of 659039 is about 87.0235986540.

The spelling of 659039 in words is "six hundred fifty-nine thousand, thirty-nine".