255225013 has 2 divisors, whose sum is σ = 255225014. Its totient is φ = 255225012.

The previous prime is 255224971. The next prime is 255225017. The reversal of 255225013 is 310522552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254785444 + 439569 = 15962^2 + 663^2 .

It is a cyclic number.

It is not a de Polignac number, because 255225013 - 2¹⁷ = 255093941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255225017) 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, 127612506 + 127612507.

It is an arithmetic number, because the mean of its divisors is an integer number (127612507).

Almost surely, 2^255225013 is an apocalyptic number.

It is an amenable number.

255225013 is a deficient number, since it is larger than the sum of its proper divisors (1).

255225013 is an equidigital number, since it uses as much as digits as its factorization.

255225013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 255225013 is about 15975.7632994483. The cubic root of 255225013 is about 634.3190360590.

Adding to 255225013 its reverse (310522552), we get a palindrome (565747565).

The spelling of 255225013 in words is "two hundred fifty-five million, two hundred twenty-five thousand, thirteen".