255111203 has 2 divisors, whose sum is σ = 255111204. Its totient is φ = 255111202.

The previous prime is 255111187. The next prime is 255111247. The reversal of 255111203 is 302111552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255111203 - 2⁴ = 255111187 is a prime.

It is a super-2 number, since 2×255111203² = 130163451792214418, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255111403) 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 as a sum of consecutive naturals, namely, 127555601 + 127555602.

It is an arithmetic number, because the mean of its divisors is an integer number (127555602).

Almost surely, 2^255111203 is an apocalyptic number.

255111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

255111203 is an equidigital number, since it uses as much as digits as its factorization.

255111203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 255111203 is about 15972.2009441404. The cubic root of 255111203 is about 634.2247368079.

Adding to 255111203 its reverse (302111552), we get a palindrome (557222755).

The spelling of 255111203 in words is "two hundred fifty-five million, one hundred eleven thousand, two hundred three".