255150065 has 4 divisors (see below), whose sum is σ = 306180084. Its totient is φ = 204120048.

The previous prime is 255150041. The next prime is 255150067. The reversal of 255150065 is 560051552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29669809 + 225480256 = 5447^2 + 15016^2 .

It is a cyclic number.

It is not a de Polignac number, because 255150065 - 2²⁰ = 254101489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255150067) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25515002 + ... + 25515011.

It is an arithmetic number, because the mean of its divisors is an integer number (76545021).

Almost surely, 2^255150065 is an apocalyptic number.

It is an amenable number.

255150065 is a deficient number, since it is larger than the sum of its proper divisors (51030019).

255150065 is an equidigital number, since it uses as much as digits as its factorization.

255150065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51030018.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 255150065 is about 15973.4174489994. The cubic root of 255150065 is about 634.2569397453.

The spelling of 255150065 in words is "two hundred fifty-five million, one hundred fifty thousand, sixty-five".