255425317 has 8 divisors (see below), whose sum is σ = 292139136. Its totient is φ = 218767632.

The previous prime is 255425311. The next prime is 255425351. The reversal of 255425317 is 713524552.

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 255425317 - 2³ = 255425309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255425311) 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, 3778 + ... + 22915.

It is an arithmetic number, because the mean of its divisors is an integer number (36517392).

Almost surely, 2^255425317 is an apocalyptic number.

It is an amenable number.

255425317 is a deficient number, since it is larger than the sum of its proper divisors (36713819).

255425317 is a wasteful number, since it uses less digits than its factorization.

255425317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28067.

The product of its digits is 42000, while the sum is 34.

The square root of 255425317 is about 15982.0310661693. The cubic root of 255425317 is about 634.4849333517.

Adding to 255425317 its reverse (713524552), we get a palindrome (968949869).

The spelling of 255425317 in words is "two hundred fifty-five million, four hundred twenty-five thousand, three hundred seventeen".