255111213 has 8 divisors (see below), whose sum is σ = 388740928. Its totient is φ = 145777824.

The previous prime is 255111203. The next prime is 255111247. The reversal of 255111213 is 312111552.

255111213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255111213 - 2⁶ = 255111149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 12148153 = 255111213 / (2 + 5 + 5 + 1 + 1 + 1 + 2 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255111213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255111203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6074056 + ... + 6074097.

It is an arithmetic number, because the mean of its divisors is an integer number (48592616).

Almost surely, 2^255111213 is an apocalyptic number.

It is an amenable number.

255111213 is a deficient number, since it is larger than the sum of its proper divisors (133629715).

255111213 is a wasteful number, since it uses less digits than its factorization.

255111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12148163.

The product of its digits is 300, while the sum is 21.

The square root of 255111213 is about 15972.2012571843. The cubic root of 255111213 is about 634.2247450948.

Adding to 255111213 its reverse (312111552), we get a palindrome (567222765).

The spelling of 255111213 in words is "two hundred fifty-five million, one hundred eleven thousand, two hundred thirteen".