509255 has 8 divisors (see below), whose sum is σ = 615600. Its totient is φ = 404416.

The previous prime is 509239. The next prime is 509263. The reversal of 509255 is 552905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 509255 - 2⁴ = 509239 is a prime.

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 509255.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611 + ... + 1179.

It is an arithmetic number, because the mean of its divisors is an integer number (76950).

2⁵⁰⁹²⁵⁵ is an apocalyptic number.

509255 is a deficient number, since it is larger than the sum of its proper divisors (106345).

509255 is a wasteful number, since it uses less digits than its factorization.

509255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 509255 is about 713.6210478959. The cubic root of 509255 is about 79.8567749855.

It can be divided in two parts, 509 and 255, that multiplied together give a triangular number (129795 = T₅₀₉).

The spelling of 509255 in words is "five hundred nine thousand, two hundred fifty-five".