255321211 has 2 divisors, whose sum is σ = 255321212. Its totient is φ = 255321210.

The previous prime is 255321161. The next prime is 255321217. The reversal of 255321211 is 112123552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255321211 - 2¹⁷ = 255190139 is a prime.

It is not a weakly prime, because it can be changed into another prime (255321217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127660605 + 127660606.

It is an arithmetic number, because the mean of its divisors is an integer number (127660606).

Almost surely, 2^255321211 is an apocalyptic number.

255321211 is a deficient number, since it is larger than the sum of its proper divisors (1).

255321211 is an equidigital number, since it uses as much as digits as its factorization.

255321211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 255321211 is about 15978.7737639657. The cubic root of 255321211 is about 634.3987207224.

Adding to 255321211 its reverse (112123552), we get a palindrome (367444763).

The spelling of 255321211 in words is "two hundred fifty-five million, three hundred twenty-one thousand, two hundred eleven".