255043505 has 8 divisors (see below), whose sum is σ = 306297024. Its totient is φ = 203871600.

The previous prime is 255043471. The next prime is 255043543. The reversal of 255043505 is 505340552.

It is a happy number.

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

It is not a de Polignac number, because 255043505 - 2¹⁰ = 255042481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13301 + ... + 26210.

It is an arithmetic number, because the mean of its divisors is an integer number (38287128).

Almost surely, 2^255043505 is an apocalyptic number.

It is an amenable number.

255043505 is a deficient number, since it is larger than the sum of its proper divisors (51253519).

255043505 is a wasteful number, since it uses less digits than its factorization.

255043505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40807.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 255043505 is about 15970.0815589652. The cubic root of 255043505 is about 634.1686311512.

The spelling of 255043505 in words is "two hundred fifty-five million, forty-three thousand, five hundred five".