255203211 has 4 divisors (see below), whose sum is σ = 340270952. Its totient is φ = 170135472.

The previous prime is 255203209. The next prime is 255203227. The reversal of 255203211 is 112302552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 255203211 - 2¹ = 255203209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255203281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42533866 + ... + 42533871.

It is an arithmetic number, because the mean of its divisors is an integer number (85067738).

Almost surely, 2^255203211 is an apocalyptic number.

255203211 is a deficient number, since it is larger than the sum of its proper divisors (85067741).

255203211 is an equidigital number, since it uses as much as digits as its factorization.

255203211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85067740.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 255203211 is about 15975.0809387621. The cubic root of 255203211 is about 634.3009738045.

Adding to 255203211 its reverse (112302552), we get a palindrome (367505763).

The spelling of 255203211 in words is "two hundred fifty-five million, two hundred three thousand, two hundred eleven".