609255 has 16 divisors (see below), whose sum is σ = 1083360. Its totient is φ = 324864.

The previous prime is 609253. The next prime is 609269. The reversal of 609255 is 552906.

609255 is a `hidden beast` number, since 609 + 2 + 55 = 666.

It is not a de Polignac number, because 609255 - 2¹ = 609253 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

609255 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609255.

It is not an unprimeable number, because it can be changed into a prime (609253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2122 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (67710).

2⁶⁰⁹²⁵⁵ is an apocalyptic number.

609255 is a deficient number, since it is larger than the sum of its proper divisors (474105).

609255 is a wasteful number, since it uses less digits than its factorization.

609255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527 (or 4521 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 609255 is about 780.5478845016. The cubic root of 609255 is about 84.7747206451.

The spelling of 609255 in words is "six hundred nine thousand, two hundred fifty-five".