255203216 has 20 divisors (see below), whose sum is σ = 515955072. Its totient is φ = 122053536.

The previous prime is 255203209. The next prime is 255203227. The reversal of 255203216 is 612302552.

255203216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346376 + ... + 347111.

Almost surely, 2^255203216 is an apocalyptic number.

It is an amenable number.

255203216 is an abundant number, since it is smaller than the sum of its proper divisors (260751856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255203216 is a wasteful number, since it uses less digits than its factorization.

255203216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693518 (or 693512 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 255203216 is about 15975.0810952558. The cubic root of 255203216 is about 634.3009779469.

Adding to 255203216 its reverse (612302552), we get a palindrome (867505768).

The spelling of 255203216 in words is "two hundred fifty-five million, two hundred three thousand, two hundred sixteen".