255240213 has 8 divisors (see below), whose sum is σ = 340973088. Its totient is φ = 169833744.

The previous prime is 255240199. The next prime is 255240229. The reversal of 255240213 is 312042552.

255240213 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 255240213 - 2⁴ = 255240197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255240263) 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, 79770 + ... + 82907.

It is an arithmetic number, because the mean of its divisors is an integer number (42621636).

Almost surely, 2^255240213 is an apocalyptic number.

It is an amenable number.

255240213 is a deficient number, since it is larger than the sum of its proper divisors (85732875).

255240213 is a wasteful number, since it uses less digits than its factorization.

255240213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163203.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 255240213 is about 15976.2390129843. The cubic root of 255240213 is about 634.3316281606.

Adding to 255240213 its reverse (312042552), we get a palindrome (567282765).

The spelling of 255240213 in words is "two hundred fifty-five million, two hundred forty thousand, two hundred thirteen".