255253213 has 2 divisors, whose sum is σ = 255253214. Its totient is φ = 255253212.

The previous prime is 255253199. The next prime is 255253223. The reversal of 255253213 is 312352552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160833124 + 94420089 = 12682^2 + 9717^2 .

It is a cyclic number.

It is not a de Polignac number, because 255253213 - 2²⁵ = 221698781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255253223) 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, 127626606 + 127626607.

It is an arithmetic number, because the mean of its divisors is an integer number (127626607).

Almost surely, 2^255253213 is an apocalyptic number.

It is an amenable number.

255253213 is a deficient number, since it is larger than the sum of its proper divisors (1).

255253213 is an equidigital number, since it uses as much as digits as its factorization.

255253213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 28.

The square root of 255253213 is about 15976.6458620075. The cubic root of 255253213 is about 634.3423973247.

The spelling of 255253213 in words is "two hundred fifty-five million, two hundred fifty-three thousand, two hundred thirteen".