255470665 has 8 divisors (see below), whose sum is σ = 311140800. Its totient is φ = 201325872.

The previous prime is 255470647. The next prime is 255470669. The reversal of 255470665 is 566074552.

255470665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 255470665 - 2⁹ = 255470153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255470669) 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, 380965 + ... + 381634.

It is an arithmetic number, because the mean of its divisors is an integer number (38892600).

Almost surely, 2^255470665 is an apocalyptic number.

It is an amenable number.

255470665 is a deficient number, since it is larger than the sum of its proper divisors (55670135).

255470665 is an equidigital number, since it uses as much as digits as its factorization.

255470665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762671.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 255470665 is about 15983.4497215088. The cubic root of 255470665 is about 634.5224797736.

The spelling of 255470665 in words is "two hundred fifty-five million, four hundred seventy thousand, six hundred sixty-five".