255204100 has 18 divisors (see below), whose sum is σ = 553793114. Its totient is φ = 102081600.

The previous prime is 255204041. The next prime is 255204107. The reversal of 255204100 is 1402552.

It can be written as a sum of positive squares in 3 ways, for example, as 2775556 + 252428544 = 1666^2 + 15888^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255204107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1275921 + ... + 1276120.

Almost surely, 2^255204100 is an apocalyptic number.

255204100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255204100 is an abundant number, since it is smaller than the sum of its proper divisors (298589014).

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

255204100 is a wasteful number, since it uses less digits than its factorization.

255204100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552055 (or 2552048 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 255204100 is about 15975.1087633230. The cubic root of 255204100 is about 634.3017103324.

Adding to 255204100 its reverse (1402552), we get a palindrome (256606652).

The spelling of 255204100 in words is "two hundred fifty-five million, two hundred four thousand, one hundred".