659369 has 4 divisors (see below), whose sum is σ = 660996. Its totient is φ = 657744.

The previous prime is 659353. The next prime is 659371. The reversal of 659369 is 963956.

659369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 40000 + 619369 = 200^2 + 787^2 .

It is a cyclic number.

It is not a de Polignac number, because 659369 - 2⁴ = 659353 is a prime.

It is a super-2 number, since 2×659369² = 869534956322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (659069) 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, 347 + ... + 1199.

It is an arithmetic number, because the mean of its divisors is an integer number (165249).

2⁶⁵⁹³⁶⁹ is an apocalyptic number.

It is an amenable number.

659369 is a deficient number, since it is larger than the sum of its proper divisors (1627).

659369 is an equidigital number, since it uses as much as digits as its factorization.

659369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

The product of its digits is 43740, while the sum is 38.

The square root of 659369 is about 812.0153939428. The cubic root of 659369 is about 87.0381213128.

The spelling of 659369 in words is "six hundred fifty-nine thousand, three hundred sixty-nine".