255221203 has 2 divisors, whose sum is σ = 255221204. Its totient is φ = 255221202.

The previous prime is 255221177. The next prime is 255221207. The reversal of 255221203 is 302122552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255221203 is a prime.

It is not a weakly prime, because it can be changed into another prime (255221207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127610601 + 127610602.

It is an arithmetic number, because the mean of its divisors is an integer number (127610602).

Almost surely, 2^255221203 is an apocalyptic number.

255221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

255221203 is an equidigital number, since it uses as much as digits as its factorization.

255221203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 255221203 is about 15975.6440558746. The cubic root of 255221203 is about 634.3158796709.

Adding to 255221203 its reverse (302122552), we get a palindrome (557343755).

The spelling of 255221203 in words is "two hundred fifty-five million, two hundred twenty-one thousand, two hundred three".