655459 has 4 divisors (see below), whose sum is σ = 749104. Its totient is φ = 561816.

The previous prime is 655453. The next prime is 655471. The reversal of 655459 is 954556.

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 655459 - 2⁷ = 655331 is a prime.

It is a Duffinian number.

655459 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (655453) 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, 46812 + ... + 46825.

It is an arithmetic number, because the mean of its divisors is an integer number (187276).

2⁶⁵⁵⁴⁵⁹ is an apocalyptic number.

655459 is a deficient number, since it is larger than the sum of its proper divisors (93645).

655459 is an equidigital number, since it uses as much as digits as its factorization.

655459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93644.

The product of its digits is 27000, while the sum is 34.

The square root of 655459 is about 809.6042242973. The cubic root of 655459 is about 86.8657373283.

The spelling of 655459 in words is "six hundred fifty-five thousand, four hundred fifty-nine".