659149 has 4 divisors (see below), whose sum is σ = 663264. Its totient is φ = 655036.

The previous prime is 659137. The next prime is 659159. The reversal of 659149 is 941956.

659149 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-659149 is a prime.

It is a Duffinian number.

659149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659159) 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, 1807 + ... + 2140.

It is an arithmetic number, because the mean of its divisors is an integer number (165816).

2⁶⁵⁹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

659149 is a deficient number, since it is larger than the sum of its proper divisors (4115).

659149 is a wasteful number, since it uses less digits than its factorization.

659149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114.

The product of its digits is 9720, while the sum is 34.

The square root of 659149 is about 811.8799172291. The cubic root of 659149 is about 87.0284400788.

It can be divided in two parts, 659 and 149, that added together give a palindrome (808).

The spelling of 659149 in words is "six hundred fifty-nine thousand, one hundred forty-nine".