255493311 has 8 divisors (see below), whose sum is σ = 345742464. Its totient is φ = 167786520.

The previous prime is 255493297. The next prime is 255493313. The reversal of 255493311 is 113394552.

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

It is not a de Polignac number, because 255493311 - 2¹⁰ = 255492287 is a prime.

It is a super-3 number, since 3×255493311³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255493313) 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, 635355 + ... + 635756.

It is an arithmetic number, because the mean of its divisors is an integer number (43217808).

Almost surely, 2^255493311 is an apocalyptic number.

255493311 is a deficient number, since it is larger than the sum of its proper divisors (90249153).

255493311 is a wasteful number, since it uses less digits than its factorization.

255493311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271181.

The product of its digits is 16200, while the sum is 33.

The square root of 255493311 is about 15984.1581260947. The cubic root of 255493311 is about 634.5412281382.

The spelling of 255493311 in words is "two hundred fifty-five million, four hundred ninety-three thousand, three hundred eleven".