255610065 has 8 divisors (see below), whose sum is σ = 408976128. Its totient is φ = 136325360.

The previous prime is 255610051. The next prime is 255610081. The reversal of 255610065 is 560016552.

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

It is not a de Polignac number, because 255610065 - 2¹³ = 255601873 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8520321 + ... + 8520350.

It is an arithmetic number, because the mean of its divisors is an integer number (51122016).

Almost surely, 2^255610065 is an apocalyptic number.

It is an amenable number.

255610065 is a deficient number, since it is larger than the sum of its proper divisors (153366063).

255610065 is a wasteful number, since it uses less digits than its factorization.

255610065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17040679.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 255610065 is about 15987.8098875362. The cubic root of 255610065 is about 634.6378698652.

It can be divided in two parts, 2556 and 10065, that added together give a palindrome (12621).

The spelling of 255610065 in words is "two hundred fifty-five million, six hundred ten thousand, sixty-five".