255131300 has 18 divisors (see below), whose sum is σ = 553635138. Its totient is φ = 102052480.

The previous prime is 255131273. The next prime is 255131311. The reversal of 255131300 is 3131552.

It can be written as a sum of positive squares in 3 ways, for example, as 24820324 + 230310976 = 4982^2 + 15176^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1275557 + ... + 1275756.

Almost surely, 2^255131300 is an apocalyptic number.

255131300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255131300 is an abundant number, since it is smaller than the sum of its proper divisors (298503838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255131300 is a wasteful number, since it uses less digits than its factorization.

255131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551327 (or 2551320 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 255131300 is about 15972.8300560671. The cubic root of 255131300 is about 634.2413905647.

Adding to 255131300 its reverse (3131552), we get a palindrome (258262852).

The spelling of 255131300 in words is "two hundred fifty-five million, one hundred thirty-one thousand, three hundred".