255345215 has 8 divisors (see below), whose sum is σ = 311608080. Its totient is φ = 200813632.

The previous prime is 255345197. The next prime is 255345217. The reversal of 255345215 is 512543552.

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 255345215 - 2⁸ = 255344959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255345217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432494 + ... + 433083.

It is an arithmetic number, because the mean of its divisors is an integer number (38951010).

Almost surely, 2^255345215 is an apocalyptic number.

255345215 is a deficient number, since it is larger than the sum of its proper divisors (56262865).

255345215 is an equidigital number, since it uses as much as digits as its factorization.

255345215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865641.

The product of its digits is 30000, while the sum is 32.

The square root of 255345215 is about 15979.5248677800. The cubic root of 255345215 is about 634.4186010784.

Adding to 255345215 its reverse (512543552), we get a palindrome (767888767).

The spelling of 255345215 in words is "two hundred fifty-five million, three hundred forty-five thousand, two hundred fifteen".