255791469 has 8 divisors (see below), whose sum is σ = 361117440. Its totient is φ = 160496576.

The previous prime is 255791443. The next prime is 255791519. The reversal of 255791469 is 964197552.

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 255791469 - 2⁹ = 255790957 is a prime.

It is a super-2 number, since 2×255791469² = 130858551226355922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255791069) 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, 2507709 + ... + 2507810.

It is an arithmetic number, because the mean of its divisors is an integer number (45139680).

Almost surely, 2^255791469 is an apocalyptic number.

It is an amenable number.

255791469 is a deficient number, since it is larger than the sum of its proper divisors (105325971).

255791469 is a wasteful number, since it uses less digits than its factorization.

255791469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015539.

The product of its digits is 680400, while the sum is 48.

The square root of 255791469 is about 15993.4820786469. The cubic root of 255791469 is about 634.7879664903.

The spelling of 255791469 in words is "two hundred fifty-five million, seven hundred ninety-one thousand, four hundred sixty-nine".