659089 has 4 divisors (see below), whose sum is σ = 670320. Its totient is φ = 647860.

The previous prime is 659077. The next prime is 659101. The reversal of 659089 is 980956.

659089 = T₁₁₉ + T₁₂₀ + ... + T₁₇₇.

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 an interprime number because it is at equal distance from previous prime (659077) and next prime (659101).

It is a cyclic number.

It is not a de Polignac number, because 659089 - 2⁷ = 658961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (659059) 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, 5527 + ... + 5644.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

2⁶⁵⁹⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

659089 is a deficient number, since it is larger than the sum of its proper divisors (11231).

659089 is a wasteful number, since it uses less digits than its factorization.

659089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11230.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 659089 is about 811.8429651109. The cubic root of 659089 is about 87.0257993684.

It can be divided in two parts, 6 and 59089, that added together give a palindrome (59095).

The spelling of 659089 in words is "six hundred fifty-nine thousand, eighty-nine".