255131266 has 8 divisors (see below), whose sum is σ = 412135164. Its totient is φ = 117752880.

The previous prime is 255131197. The next prime is 255131267. The reversal of 255131266 is 662131552.

It can be written as a sum of positive squares in 2 ways, for example, as 211848025 + 43283241 = 14555^2 + 6579^2 .

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

It is not an unprimeable number, because it can be changed into a prime (255131267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4906345 + ... + 4906396.

Almost surely, 2^255131266 is an apocalyptic number.

255131266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

255131266 is a deficient number, since it is larger than the sum of its proper divisors (157003898).

255131266 is a wasteful number, since it uses less digits than its factorization.

255131266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812756.

The product of its digits is 10800, while the sum is 31.

The square root of 255131266 is about 15972.8289917597. The cubic root of 255131266 is about 634.2413623907.

The spelling of 255131266 in words is "two hundred fifty-five million, one hundred thirty-one thousand, two hundred sixty-six".