655159 has 4 divisors (see below), whose sum is σ = 672904. Its totient is φ = 637416.

The previous prime is 655157. The next prime is 655181. The reversal of 655159 is 951556.

It is a happy number.

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 655159 - 2¹ = 655157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655157) 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, 8817 + ... + 8890.

It is an arithmetic number, because the mean of its divisors is an integer number (168226).

2⁶⁵⁵¹⁵⁹ is an apocalyptic number.

655159 is a deficient number, since it is larger than the sum of its proper divisors (17745).

655159 is a wasteful number, since it uses less digits than its factorization.

655159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17744.

The product of its digits is 6750, while the sum is 31.

The square root of 655159 is about 809.4189273794. The cubic root of 655159 is about 86.8524826482.

The spelling of 655159 in words is "six hundred fifty-five thousand, one hundred fifty-nine".