255433433 has 2 divisors, whose sum is σ = 255433434. Its totient is φ = 255433432.

The previous prime is 255433429. The next prime is 255433441. The reversal of 255433433 is 334334552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193543744 + 61889689 = 13912^2 + 7867^2 .

It is a cyclic number.

It is not a de Polignac number, because 255433433 - 2² = 255433429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255433433.

It is not a weakly prime, because it can be changed into another prime (255433463) 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, 127716716 + 127716717.

It is an arithmetic number, because the mean of its divisors is an integer number (127716717).

Almost surely, 2^255433433 is an apocalyptic number.

It is an amenable number.

255433433 is a deficient number, since it is larger than the sum of its proper divisors (1).

255433433 is an equidigital number, since it uses as much as digits as its factorization.

255433433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 32.

The square root of 255433433 is about 15982.2849743083. The cubic root of 255433433 is about 634.4916534180.

Adding to 255433433 its reverse (334334552), we get a palindrome (589767985).

The spelling of 255433433 in words is "two hundred fifty-five million, four hundred thirty-three thousand, four hundred thirty-three".