255785601 has 8 divisors (see below), whose sum is σ = 341251200. Its totient is φ = 170421872.

The previous prime is 255785573. The next prime is 255785603. The reversal of 255785601 is 106587552.

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 255785601 - 2¹⁰ = 255784577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255785601.

It is not an unprimeable number, because it can be changed into a prime (255785603) 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 7 ways as a sum of consecutive naturals, for example, 19401 + ... + 29798.

It is an arithmetic number, because the mean of its divisors is an integer number (42656400).

Almost surely, 2^255785601 is an apocalyptic number.

It is an amenable number.

255785601 is a deficient number, since it is larger than the sum of its proper divisors (85465599).

255785601 is a wasteful number, since it uses less digits than its factorization.

255785601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50935.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 255785601 is about 15993.2986278629. The cubic root of 255785601 is about 634.7831123223.

The spelling of 255785601 in words is "two hundred fifty-five million, seven hundred eighty-five thousand, six hundred one".