255382417 has 8 divisors (see below), whose sum is σ = 259894080. Its totient is φ = 250881360.

The previous prime is 255382367. The next prime is 255382453. The reversal of 255382417 is 714283552.

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 255382417 - 2¹⁵ = 255349649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255382487) 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, 57834 + ... + 62092.

It is an arithmetic number, because the mean of its divisors is an integer number (32486760).

Almost surely, 2^255382417 is an apocalyptic number.

It is an amenable number.

255382417 is a deficient number, since it is larger than the sum of its proper divisors (4511663).

255382417 is an equidigital number, since it uses as much as digits as its factorization.

255382417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303.

The product of its digits is 67200, while the sum is 37.

The square root of 255382417 is about 15980.6888775171. The cubic root of 255382417 is about 634.4494096900.

The spelling of 255382417 in words is "two hundred fifty-five million, three hundred eighty-two thousand, four hundred seventeen".