255023213 has 2 divisors, whose sum is σ = 255023214. Its totient is φ = 255023212.

The previous prime is 255023183. The next prime is 255023243. The reversal of 255023213 is 312320552.

It is a balanced prime because it is at equal distance from previous prime (255023183) and next prime (255023243).

It can be written as a sum of positive squares in only one way, i.e., 197065444 + 57957769 = 14038^2 + 7613^2 .

It is a cyclic number.

It is not a de Polignac number, because 255023213 - 2¹² = 255019117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255023243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127511606 + 127511607.

It is an arithmetic number, because the mean of its divisors is an integer number (127511607).

Almost surely, 2^255023213 is an apocalyptic number.

It is an amenable number.

255023213 is a deficient number, since it is larger than the sum of its proper divisors (1).

255023213 is an equidigital number, since it uses as much as digits as its factorization.

255023213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 255023213 is about 15969.4462333545. The cubic root of 255023213 is about 634.1518119407.

Adding to 255023213 its reverse (312320552), we get a palindrome (567343765).

The spelling of 255023213 in words is "two hundred fifty-five million, twenty-three thousand, two hundred thirteen".