255411133 has 2 divisors, whose sum is σ = 255411134. Its totient is φ = 255411132.

The previous prime is 255411131. The next prime is 255411157. The reversal of 255411133 is 331114552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201270969 + 54140164 = 14187^2 + 7358^2 .

It is a cyclic number.

It is not a de Polignac number, because 255411133 - 2¹ = 255411131 is a prime.

Together with 255411131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 255411098 and 255411107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255411131) by changing a digit.

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 as a sum of consecutive naturals, namely, 127705566 + 127705567.

It is an arithmetic number, because the mean of its divisors is an integer number (127705567).

Almost surely, 2^255411133 is an apocalyptic number.

It is an amenable number.

255411133 is a deficient number, since it is larger than the sum of its proper divisors (1).

255411133 is an equidigital number, since it uses as much as digits as its factorization.

255411133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 255411133 is about 15981.5873116534. The cubic root of 255411133 is about 634.4731886260.

Adding to 255411133 its reverse (331114552), we get a palindrome (586525685).

The spelling of 255411133 in words is "two hundred fifty-five million, four hundred eleven thousand, one hundred thirty-three".