255216337 has 2 divisors, whose sum is σ = 255216338. Its totient is φ = 255216336.

The previous prime is 255216329. The next prime is 255216361. The reversal of 255216337 is 733612552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225720576 + 29495761 = 15024^2 + 5431^2 .

It is a cyclic number.

It is not a de Polignac number, because 255216337 - 2³ = 255216329 is a prime.

It is not a weakly prime, because it can be changed into another prime (255216737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127608168 + 127608169.

It is an arithmetic number, because the mean of its divisors is an integer number (127608169).

Almost surely, 2^255216337 is an apocalyptic number.

It is an amenable number.

255216337 is a deficient number, since it is larger than the sum of its proper divisors (1).

255216337 is an equidigital number, since it uses as much as digits as its factorization.

255216337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 34.

The square root of 255216337 is about 15975.4917608191. The cubic root of 255216337 is about 634.3118483957.

Adding to 255216337 its reverse (733612552), we get a palindrome (988828889).

The spelling of 255216337 in words is "two hundred fifty-five million, two hundred sixteen thousand, three hundred thirty-seven".