255068218 has 4 divisors (see below), whose sum is σ = 382602330. Its totient is φ = 127534108.

The previous prime is 255068207. The next prime is 255068237. The reversal of 255068218 is 812860552.

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

It can be written as a sum of positive squares in only one way, i.e., 209004849 + 46063369 = 14457^2 + 6787^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63767053 + ... + 63767056.

Almost surely, 2^255068218 is an apocalyptic number.

255068218 is a deficient number, since it is larger than the sum of its proper divisors (127534112).

255068218 is a wasteful number, since it uses less digits than its factorization.

255068218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127534111.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 255068218 is about 15970.8552682691. The cubic root of 255068218 is about 634.1891135433.

The spelling of 255068218 in words is "two hundred fifty-five million, sixty-eight thousand, two hundred eighteen".